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MasterLock

MasterLock specializes in durable cable bike locks for securing bicycles and outdoor equipment. Products like the 8127TRI keyed-alike 3-pack and 8143T preset combination locks offer high ratings for reliability and ease of use.

44 products Updated August 3, 2026

MasterLock Products (44)

1

Master Lock 70DCC Steel Bike Lock Cable, 30 ft x 3/8 in Vinyl Coated Braided Steel with Looped Ends for Bikes, Grills, Ladders

MasterLock
9.9
ProductSearch.org score rating is a scoring system developed by our experts. The score is from 0 to 10 based on the data collected by the ProductSearch.org tool. This score doesn't impact from any manufacturer or sales agent websites. We encourage you to write a review of your experiences with these products. Learn more »
Pros & Cons

Pros

  • Exceptional length for wrapping around large objects
  • Durable braided steel for reliable strength
  • Protective vinyl prevents damage to bikes and property
  • Flexible and easy to handle
  • Lifetime warranty from trusted brand

Cons

  • Requires separate padlock for full security
  • Length may be excessive for small items
  • Bulkier to carry when coiled
2

Master Lock 1465DAT Stainless Steel Trailer Hitch Pin - 5/8" Fits 2" Receivers, Class III/IV 10,000 lb Load Rating

MasterLock
9.9
ProductSearch.org score rating is a scoring system developed by our experts. The score is from 0 to 10 based on the data collected by the ProductSearch.org tool. This score doesn't impact from any manufacturer or sales agent websites. We encourage you to write a review of your experiences with these products. Learn more »
Pros & Cons

Pros

  • Superior corrosion resistance extends lifespan in wet conditions
  • Easy insertion thanks to tapered design
  • High 10,000 lb load rating handles demanding towing
  • Durable stainless steel construction
  • Precise fit for 5/8-inch receivers

Cons

  • Includes only one pin per package
  • Limited to standard 5/8-inch receivers
  • Barrel head style may not appeal to clip-preferring users
3

Master Lock 146D Pink Covered Aluminum Keyed Padlock with Steel Shackle - Gym & School Locker Lock, 1-9/16in Body

MasterLock
9.8
ProductSearch.org score rating is a scoring system developed by our experts. The score is from 0 to 10 based on the data collected by the ProductSearch.org tool. This score doesn't impact from any manufacturer or sales agent websites. We encourage you to write a review of your experiences with these products. Learn more »
Pros & Cons

Pros

  • Corrosion-resistant construction endures harsh environments
  • Strong steel shackle boosts cut resistance
  • Pick and pry resistant mechanism enhances security
  • Matching key heads simplify identification and use
  • Trusted brand with limited lifetime warranty

Cons

  • Short 7/8in shackle may not fit thicker hasps
  • Provides basic rather than high-security protection
  • Small size limits use for larger applications
4

Master Lock 389DAT Universal Trailer Coupler Locks - Fits 1-7/8", 2", 2-5/16" Couplers, 4 Pack Rust-Resistant Theft Protection

MasterLock
9.8
ProductSearch.org score rating is a scoring system developed by our experts. The score is from 0 to 10 based on the data collected by the ProductSearch.org tool. This score doesn't impact from any manufacturer or sales agent websites. We encourage you to write a review of your experiences with these products. Learn more »
Pros & Cons

Pros

  • Fits most common coupler sizes for broad compatibility
  • Durable rust-resistant build withstands harsh weather
  • Bright color enhances theft deterrence
  • Easy to use with straightforward lock mechanism
  • High customer satisfaction from extensive real-world use

Cons

  • Locks have different key numbers, requiring separate keys for each
  • Not available keyed-alike like similar models
  • Bright red color may not match all trailer aesthetics
5

Master Lock 389DAT Trailer Coupler Lock - Universal Fit for 1-7/8in, 2in, 2-5/16in Couplers, Pick & Pry Resistant

MasterLock
9.8
ProductSearch.org score rating is a scoring system developed by our experts. The score is from 0 to 10 based on the data collected by the ProductSearch.org tool. This score doesn't impact from any manufacturer or sales agent websites. We encourage you to write a review of your experiences with these products. Learn more »
Pros & Cons

Pros

  • Fits multiple coupler sizes for broad compatibility
  • Strong resistance to common break-in methods
  • Weatherproof design withstands harsh conditions
  • Quick and hassle-free to apply or remove
  • High-visibility color enhances theft deterrence

Cons

  • Bright red color may draw unwanted attention
  • Requires precise coupler size verification for perfect fit
  • Key access could be challenging in low light
6

Master Lock 40DPF Stainless Steel Discus Padlock - 2-3/4in Wide, Weatherproof Shackle for Gates, Sheds & Garages

MasterLock
9.8
ProductSearch.org score rating is a scoring system developed by our experts. The score is from 0 to 10 based on the data collected by the ProductSearch.org tool. This score doesn't impact from any manufacturer or sales agent websites. We encourage you to write a review of your experiences with these products. Learn more »
Pros & Cons

Pros

  • Exceptional corrosion resistance for outdoor durability
  • Strong anti-cut and anti-pry features boost security
  • Wide body provides maximum strength without bulk
  • Easy to use with standard keys for everyday access

Cons

  • Short shackle may not fit thicker hasps or chains
  • Keyed design requires key management to avoid lockouts
7

Master Lock M736XKAD Chrome Puck Hidden Shackle Padlock with 9-1/16" Steel Hasp - Heavy Duty Lock for Trucks, Trailers, Vans

MasterLock
9.8
ProductSearch.org score rating is a scoring system developed by our experts. The score is from 0 to 10 based on the data collected by the ProductSearch.org tool. This score doesn't impact from any manufacturer or sales agent websites. We encourage you to write a review of your experiences with these products. Learn more »
Pros & Cons

Pros

  • Eliminates shackle exposure for ultimate cut resistance
  • Exceptional build quality with solid steel construction
  • High pick resistance enhances security
  • Generous hasp length fits most applications
  • Includes two keys and key-retaining safeguard

Cons

  • Carriage bolts for installation not included
  • Requires precise door measurements for proper fit
  • Heavier design may need sturdy mounting surface
8

Master Lock 40TRI 3-Pack Shrouded Stainless Steel Discus Padlocks - 2-3/4" Body, Bolt Cutter Resistant, Keyed Alike

MasterLock
9.8
ProductSearch.org score rating is a scoring system developed by our experts. The score is from 0 to 10 based on the data collected by the ProductSearch.org tool. This score doesn't impact from any manufacturer or sales agent websites. We encourage you to write a review of your experiences with these products. Learn more »
Pros & Cons

Pros

  • Maximum corrosion resistance for indoor/outdoor use
  • 4-pin cylinder prevents picking
  • Three locks with just two keys for simplicity
  • Limited Lifetime Warranty from a trusted brand
  • Ideal for storage locks on garages and sheds

Cons

  • Short 5/8-inch shackle may not fit thicker hasps
  • Only two keys included for three locks
  • Requires measuring hasp clearance for proper fit
9

Master Lock 8418D Python Adjustable Bike Cable Lock, 6ft Keyed Braided Steel, Weatherproof Vinyl for Bikes, Trail Cams & Gear

MasterLock
9.8
ProductSearch.org score rating is a scoring system developed by our experts. The score is from 0 to 10 based on the data collected by the ProductSearch.org tool. This score doesn't impact from any manufacturer or sales agent websites. We encourage you to write a review of your experiences with these products. Learn more »
Pros & Cons

Pros

  • Highly flexible braided steel for versatile securing options
  • Rust-proof and scratch-resistant for harsh weather conditions
  • Adjustable tension holds cable tight at any length
  • Integrated keyed lock provides quick, secure access

Cons

  • Cable locks like this may be vulnerable to bolt cutters in high-risk areas
  • Keyed mechanism requires carrying keys, unlike combination locks
  • Longer length can feel bulky when coiled for storage
10

Master Lock Python 8413DPF Adjustable Cable Lock with Key, 6ft x 3/8in Braided Steel for Bikes, Trail Cameras, Kayaks & Tools

MasterLock
9.8
ProductSearch.org score rating is a scoring system developed by our experts. The score is from 0 to 10 based on the data collected by the ProductSearch.org tool. This score doesn't impact from any manufacturer or sales agent websites. We encourage you to write a review of your experiences with these products. Learn more »
Pros & Cons

Pros

  • Exceptional strength and flexibility from braided steel design
  • Rust-resistant and weatherproof for reliable outdoor use
  • Adjustable length with patented lock for perfect fit every time
  • Rekeyable for enhanced security and convenience
  • Versatile for bikes, trail cams, kayaks, and tools

Cons

  • Cable design may be vulnerable to heavy-duty bolt cutters compared to U-locks
  • Requires carrying keys, lacking the convenience of combination locks
  • Fixed 6-foot length might be excessive for smaller items
11

Master Lock 527D Adjustable Shackle Padlock with Key - Black Vinyl Covered, Cut-Resistant Hardened Steel, Pry-Proof for Lockers & Backpacks

MasterLock
9.8
ProductSearch.org score rating is a scoring system developed by our experts. The score is from 0 to 10 based on the data collected by the ProductSearch.org tool. This score doesn't impact from any manufacturer or sales agent websites. We encourage you to write a review of your experiences with these products. Learn more »
Pros & Cons

Pros

  • Highly versatile shackle length adjustment for diverse applications
  • Scratch- and corrosion-resistant covering preserves surfaces
  • Enhanced security with pick-resistant cylinder and pry-proof levers
  • Compact 2-inch body with strong 5/16-inch shackle diameter
  • Includes two keys for immediate backup access

Cons

  • Adjustable shackle mechanism may loosen with frequent adjustments
  • Best for medium-security needs, not extreme high-security environments
  • Vinyl covering can wear under prolonged heavy abrasion
12

Master Lock 5400EC Key Lock Box - Secure Outdoor Combination Lockbox for House Keys, Resettable 4-Digit Code, Weatherproof Black

MasterLock
9.8
ProductSearch.org score rating is a scoring system developed by our experts. The score is from 0 to 10 based on the data collected by the ProductSearch.org tool. This score doesn't impact from any manufacturer or sales agent websites. We encourage you to write a review of your experiences with these products. Learn more »
Pros & Cons

Pros

  • Holds multiple keys with plenty of interior space
  • Easy custom combination setup for personalized use
  • Durable and weather-resistant for long-term outdoor reliability
  • Secure shackle design fits standard doorknobs securely
  • Vinyl cover adds door protection

Cons

  • Shackle fits most but not all oversized or non-standard doorknobs
  • Limited to standard 2-inch keys only
  • Combination dials may require practice to adjust precisely
13

Master Lock 141DLF Black Covered Aluminum Padlock with Key - Long Shackle Gym Locker Lock for Gates, Fences, Toolboxes

MasterLock
9.8
ProductSearch.org score rating is a scoring system developed by our experts. The score is from 0 to 10 based on the data collected by the ProductSearch.org tool. This score doesn't impact from any manufacturer or sales agent websites. We encourage you to write a review of your experiences with these products. Learn more »
Pros & Cons

Pros

  • Exceptional corrosion resistance for harsh weather
  • Strong cut-resistant shackle enhances theft protection
  • Pick and pry resistance boosts overall security
  • Long shackle provides application flexibility
  • Durable construction backed by lifetime warranty

Cons

  • Aluminum body may not suit ultra-heavy-duty industrial needs
  • Only two keys included, requiring duplicates for multiple users
  • Shackle length might be excessive for very tight spaces
14

Master Lock Magnum M115XTLF Heavy Duty Outdoor Padlock 2-Pack: Weatherproof, Cut-Resistant Shackle for Gates, Fences, Sheds

MasterLock
9.8
ProductSearch.org score rating is a scoring system developed by our experts. The score is from 0 to 10 based on the data collected by the ProductSearch.org tool. This score doesn't impact from any manufacturer or sales agent websites. We encourage you to write a review of your experiences with these products. Learn more »
Pros & Cons

Pros

  • Exceptional durability from boron-carbide shackle and laminated steel body
  • Superior weatherproofing for reliable outdoor performance
  • High pick and pry resistance with advanced cylinder and bearings
  • Versatile extended shackle fits various applications
  • Includes two locks and universal keys for immediate use

Cons

  • Extended shackle may not suit very tight clearance applications
  • Requires proper key management since both keys open all locks
  • Overbuilt for indoor or light-duty uses, adding unnecessary bulk
15

Master Lock 8417D Python Adjustable Bike Cable Lock, 6ft Braided Steel with Key, Weather-Resistant Vinyl Coating for Bikes & Gear

MasterLock
9.8
ProductSearch.org score rating is a scoring system developed by our experts. The score is from 0 to 10 based on the data collected by the ProductSearch.org tool. This score doesn't impact from any manufacturer or sales agent websites. We encourage you to write a review of your experiences with these products. Learn more »
Pros & Cons

Pros

  • Exceptional flexibility and strength from 3/16in braided steel
  • Adjustable length provides perfect fit for various gear sizes
  • Weather and scratch-resistant for all-season durability
  • Includes two keys for convenient access
  • High pick resistance enhances security

Cons

  • Cable vulnerable to cutting with heavy bolt cutters in high-risk areas
  • Keyed mechanism requires carrying keys, no combo option
  • Best as secondary lock, not standalone for maximum theft protection
16

Master Lock 140D Solid Brass Padlock with Key - Cut-Resistant Shackle, Pick & Pry Proof, Corrosion Resistant Lock

MasterLock
9.8
ProductSearch.org score rating is a scoring system developed by our experts. The score is from 0 to 10 based on the data collected by the ProductSearch.org tool. This score doesn't impact from any manufacturer or sales agent websites. We encourage you to write a review of your experiences with these products. Learn more »
Pros & Cons

Pros

  • Exceptional durability from solid brass and hardened steel construction
  • High security with pick, pry, and cut resistance
  • Versatile for everyday uses like bags, boxes, and cabinets
  • Corrosion-resistant for harsh environments
  • Trusted brand with proven reliability

Cons

  • Shackle length of 7/8in may not fit thicker gates or hasps
  • Single keying means all locks use the same key, limiting flexibility
  • Basic design lacks advanced features like rekeying
17

Master Lock 379ATPY Black Universal Trailer Hitch Lock - Fits 1-7/8in, 2in & 2-5/16in Couplers for RVs, Horse & Boat Trailers

MasterLock
9.8
ProductSearch.org score rating is a scoring system developed by our experts. The score is from 0 to 10 based on the data collected by the ProductSearch.org tool. This score doesn't impact from any manufacturer or sales agent websites. We encourage you to write a review of your experiences with these products. Learn more »
Pros & Cons

Pros

  • Versatile sizing fits most standard trailer couplers
  • High-security mechanism deters common break-in attempts
  • Durable zinc build withstands harsh weather and road conditions
  • Easy to install and remove with provided keys
  • Trusted brand reliability backed by strong user ratings

Cons

  • Fits 'most' but not all 2-5/16 in. couplers precisely
  • Only two keys included, requiring careful management
  • Black finish may show wear or dirt over time
18

Master Lock 8127TRI 3-Pack Keyed-Alike Bike Cable Locks, 6ft Braided Steel, Blue Green Red

MasterLock
9.8
ProductSearch.org score rating is a scoring system developed by our experts. The score is from 0 to 10 based on the data collected by the ProductSearch.org tool. This score doesn't impact from any manufacturer or sales agent websites. We encourage you to write a review of your experiences with these products. Learn more »
Pros & Cons

Pros

  • Keyed-alike system simplifies use for families or multiple bikes
  • Durable 8mm braided steel resists casual tampering
  • Vibrant colors make grabbing the right lock effortless
  • Long cables fit large wheels and poles securely
  • Easy self-locking mechanism speeds up securing items

Cons

  • Not heavy-duty enough for standalone primary bike security
  • Plastic lock housing feels less premium than metal
  • Vulnerable to bolt cutters if targeted by determined thieves
Detailed Review

The Master Lock 8127TRI is a three-pack of keyed-alike cable locks designed for cyclists and outdoor enthusiasts securing bikes, skateboards, or sports gear. Each 6-foot cable is perfect as a secondary lock to tether quick-release wheels, seats, or accessories to the frame or a pole, working best alongside a U-lock for full protection.

Standout features include 8mm braided steel for robust strength and flexibility, plus a vinyl coating that prevents scratches on your bike. Reviewers praise the one-key-fits-all design, making it simple for families or multi-bike households, and the bright blue, green, and red colors for easy spotting. In real-world use, they deter opportunistic thieves effectively, securing components without hassle.

Build quality shines with the flexible cables and reliable key lock, backed by a lifetime warranty. The self-locking action allows quick securing without the key, though the plastic housing gives a budget feel compared to pricier metal alternatives.

Drawbacks include limited resistance to professional tools like bolt cutters, so avoid using alone for high-risk areas. Length might feel short for some bulkier setups despite the 6-foot claim.

Overall, this pack offers unbeatable value for everyday bike security needs, earning high marks for convenience and deterrence. Recommended for casual riders prioritizing ease and affordability.

Specifications

Brand: Master Lock

Model: 8127TRI

Lock Type: Key Lock (Keyed-Alike)

Cable Length: 6 ft (1.8 m)

Cable Diameter: 5/16 in. (8 mm) Braided Steel

Color: Blue, Green, Red

Material: Alloy Steel with Vinyl Coating

Includes: 3 Cables, 2 Keys

Warranty: Limited Lifetime

19

Master Lock Door Blocker 2-Pack: Reinforcing Security Stopper, Child Pet Proof, Easy DIY Install

MasterLock
9.8
ProductSearch.org score rating is a scoring system developed by our experts. The score is from 0 to 10 based on the data collected by the ProductSearch.org tool. This score doesn't impact from any manufacturer or sales agent websites. We encourage you to write a review of your experiences with these products. Learn more »
Pros & Cons

Pros

  • Easy DIY installation without professional help
  • Intuitive operation visible at a glance
  • Versatile for both security and child/pet safety
  • High-quality reinforced construction
  • Compatible with most inward-opening doors

Cons

  • Requires drilling for permanent installation
  • Only works on inward-opening doors
  • Not easily removable without tools
20

Master Lock 8364DCC 5ft Keyed Cable Bike Lock - Cut-Resistant Braided Steel, Pick-Proof Lock, Flexible Security

MasterLock
9.8
ProductSearch.org score rating is a scoring system developed by our experts. The score is from 0 to 10 based on the data collected by the ProductSearch.org tool. This score doesn't impact from any manufacturer or sales agent websites. We encourage you to write a review of your experiences with these products. Learn more »
Pros & Cons

Pros

  • Exceptional cut and saw resistance from braided steel construction
  • Pick-proof keyed mechanism enhances security
  • Flexible and self-coiling for effortless handling
  • Vinyl coating prevents bike scratches
  • Weatherproof build for long-term reliability

Cons

  • Cable may not withstand heavy bolt cutters from determined thieves
  • Requires managing a physical key for locking
  • Less robust than U-locks for high-risk urban areas
21

Master Lock Magnum M115XDLF Heavy Duty Padlock - Weatherproof, Cut-Resistant Shackle for Gates, Fences, Sheds

MasterLock
9.8
ProductSearch.org score rating is a scoring system developed by our experts. The score is from 0 to 10 based on the data collected by the ProductSearch.org tool. This score doesn't impact from any manufacturer or sales agent websites. We encourage you to write a review of your experiences with these products. Learn more »
Pros & Cons

Pros

  • Exceptional strength and weather resistance for outdoor security
  • Tough-Cut shackle defeats bolt cutters and saws effectively
  • Pick-resistant 4-pin cylinder enhances security
  • Extended shackle offers versatile application flexibility
  • Rustproof construction with lifetime warranty

Cons

  • Only two keys included, limiting spares without duplication
  • Specific shackle dimensions may not fit very narrow hasps
  • Keyed design lacks combo convenience for quick access
22

Master Lock Magnum M930XKADLH Heavy Duty Solid Steel Padlock - Cut-Resistant Shackle for Gates, Fences, Sheds (2-1/2in Body, 2in Shackle)

MasterLock
9.8
ProductSearch.org score rating is a scoring system developed by our experts. The score is from 0 to 10 based on the data collected by the ProductSearch.org tool. This score doesn't impact from any manufacturer or sales agent websites. We encourage you to write a review of your experiences with these products. Learn more »
Pros & Cons

Pros

  • Exceptional cut and pry resistance for high-security needs
  • Durable construction withstands harsh outdoor conditions
  • Extended shackle fits thicker gates and doors easily
  • Includes two keys and rekeyable design for convenience
  • Scratch-resistant bumper maintains appearance over time

Cons

  • Keyed mechanism requires managing physical keys
  • Heavier weight due to solid steel build may feel bulky
  • Specific shackle dimensions may not suit very narrow hasps
23

Master Lock Magnum All-Weather Keyed Alike Padlocks, 1-7/8" Body 1-1/2" Shackle Black 3-Pack for Gates Fences Sheds

MasterLock
9.8
ProductSearch.org score rating is a scoring system developed by our experts. The score is from 0 to 10 based on the data collected by the ProductSearch.org tool. This score doesn't impact from any manufacturer or sales agent websites. We encourage you to write a review of your experiences with these products. Learn more »
Pros & Cons

Pros

  • Superior all-weather protection for outdoor durability
  • Keyed alike convenience for multiple locks
  • Hardened shackle and dual bearings enhance security
  • Compact 1-7/8 inch body fits most applications
  • Includes two keys per set for immediate use

Cons

  • 1-1/2 inch shackle may limit clearance on thicker gates
  • Keyed alike means losing one key compromises all locks
  • Rubber cover could show wear after prolonged heavy abuse
24

Master Lock M40XD 70mm Discus Padlock - Tough-Cut Boron-Carbide Shackle, Max Cut Resistance & Corrosion Proof

MasterLock
9.7
ProductSearch.org score rating is a scoring system developed by our experts. The score is from 0 to 10 based on the data collected by the ProductSearch.org tool. This score doesn't impact from any manufacturer or sales agent websites. We encourage you to write a review of your experiences with these products. Learn more »
Pros & Cons

Pros

  • Exceptional cut and pry resistance for superior security
  • Corrosion-resistant build ideal for indoor/outdoor use
  • Pick-resistant cylinder enhances tamper protection
  • Compact discus design fits tight spaces on hasps and gates
  • Lifetime guarantee ensures dependable performance

Cons

  • Short 5/8-inch shackle limits use on thicker hasps
  • Only two keys provided, requiring duplicates for multiple users
  • Heavy-duty build may feel bulky for lightweight applications
25

Master Lock M40XT Magnum Stainless Steel Discus Padlock, 2-3/4in Wide, 2-Pack Keyed Alike - Weatherproof Theft-Resistant Security

MasterLock
9.7
ProductSearch.org score rating is a scoring system developed by our experts. The score is from 0 to 10 based on the data collected by the ProductSearch.org tool. This score doesn't impact from any manufacturer or sales agent websites. We encourage you to write a review of your experiences with these products. Learn more »
Pros & Cons

Pros

  • Exceptional corrosion resistance for harsh outdoor environments
  • High-security features like 4-pin cylinder and shrouded body deter thieves effectively
  • Keyed alike setup simplifies managing multiple locks
  • Durable construction withstands years of exposure and attacks
  • Versatile for jobsites, rentals, pools, and storage

Cons

  • Short 5/8in shackle length may not fit thicker gates or chains
  • Key-only operation lacks combination convenience for quick access
  • Heavy-duty build adds noticeable weight for portable use
26

Master Lock 377KA Trailer Hitch Lock - Fits 1-7/8in, 2in & Most 2-5/16in Couplers - Rustproof, Pick-Resistant Security

MasterLock
9.7
ProductSearch.org score rating is a scoring system developed by our experts. The score is from 0 to 10 based on the data collected by the ProductSearch.org tool. This score doesn't impact from any manufacturer or sales agent websites. We encourage you to write a review of your experiences with these products. Learn more »
Pros & Cons

Pros

  • Versatile sizing fits most standard trailer couplers
  • Weatherproof construction withstands harsh conditions
  • High-security mechanism deters common break-in attempts
  • Simple to use with included keys
  • Durable build from trusted brand

Cons

  • Fits only 'most' 2-5/16in couplers, check compatibility
  • Requires carrying keys, risk of loss
  • Aluminum body may not suit extreme heavy-duty needs
27

Master Lock 2847DAT Stainless Steel Adjustable Trailer Coupler Latch Lock - Durable, Easy Install Security

MasterLock
9.7
ProductSearch.org score rating is a scoring system developed by our experts. The score is from 0 to 10 based on the data collected by the ProductSearch.org tool. This score doesn't impact from any manufacturer or sales agent websites. We encourage you to write a review of your experiences with these products. Learn more »
Pros & Cons

Pros

  • Exceptional durability for reliable long-term use
  • Straightforward installation and operation
  • Adjustable fit accommodates various coupler sizes
  • Stainless steel build resists corrosion
  • Proven secure latch mechanism

Cons

  • Manufactured in China, which may raise quality concerns for some
  • Basic design lacks advanced anti-pick features
  • Keys may be easy to lose without duplicates
28

Master Lock 605DAT Solid Brass Trailer Hitch Coupler Lock - 15/16" Shackle, Rust-Resistant, Pick-Proof Security

MasterLock
9.7
ProductSearch.org score rating is a scoring system developed by our experts. The score is from 0 to 10 based on the data collected by the ProductSearch.org tool. This score doesn't impact from any manufacturer or sales agent websites. We encourage you to write a review of your experiences with these products. Learn more »
Pros & Cons

Pros

  • Exceptional pick resistance from precision pin tumbler
  • Rust and corrosion resistant for extended outdoor use
  • Durable protection against cutting and sawing
  • Solid brass construction for superior strength
  • Ideal fit for standard trailer couplers

Cons

  • Shackle dimensions fit specific coupler sizes only
  • Requires key for operation, no keyless entry
  • May feel bulky on smaller trailers
29

Master Lock M50XKADCCSEN Magnum Stainless Steel Discus Padlock - 3-1/8in Wide, Max Security Shackle for Sheds, Garages, Gates

MasterLock
9.7
ProductSearch.org score rating is a scoring system developed by our experts. The score is from 0 to 10 based on the data collected by the ProductSearch.org tool. This score doesn't impact from any manufacturer or sales agent websites. We encourage you to write a review of your experiences with these products. Learn more »
Pros & Cons

Pros

  • Exceptional shackle strength resists cutting tools better than standard steel locks
  • High pick resistance from four-pin cylinder enhances overall security
  • Durable, scratch-resistant body maintains look over time
  • Versatile for multiple uses like storage units and moving trucks
  • Includes two keys for immediate convenience

Cons

  • Short 5/8in shackle length limits use on thicker hasps
  • Keyed mechanism requires key management unlike combination locks
  • Shrouded design may not fit all standard padlock eyes
30

Master Lock 207EC3 Magnetic Key Holder 3-Pack - Rustproof Hide-A-Key, Fits Fobs, Secure Steel Magnet, Discreet Black

MasterLock
9.7
ProductSearch.org score rating is a scoring system developed by our experts. The score is from 0 to 10 based on the data collected by the ProductSearch.org tool. This score doesn't impact from any manufacturer or sales agent websites. We encourage you to write a review of your experiences with these products. Learn more »
Pros & Cons

Pros

  • Durable rust-free construction for long-term outdoor use
  • Strong recessed magnet attaches reliably to steel
  • Accommodates keys with fobs for modern vehicles
  • Improved cover design enhances usability
  • Portable and versatile for multiple locations

Cons

  • Magnet only works on steel surfaces, not other metals
  • Plastic build may scratch under heavy abuse
  • Limited capacity for bulky keychains
31

Master Lock 2866DAT Receiver Hitch Lock - 1/2in & 5/8in Swivel Head Pins, Weatherproof for Trailers, RVs & Couplers

MasterLock
9.7
ProductSearch.org score rating is a scoring system developed by our experts. The score is from 0 to 10 based on the data collected by the ProductSearch.org tool. This score doesn't impact from any manufacturer or sales agent websites. We encourage you to write a review of your experiences with these products. Learn more »
Pros & Cons

Pros

  • Dual pin sizes provide flexibility for different hitch classes
  • Swivel head and push-to-lock simplify securing and unlocking
  • Weatherproof seal enhances durability in harsh conditions
  • Pick-resistant 4-pin cylinder boosts security
  • Compact 2-3/4in usable length fits most applications

Cons

  • Requires checking compatibility with bike racks or storage accessories
  • Key-based operation lacks keyless convenience
  • Limited to standard receiver tube sizes
32

Master Lock 1469DAT Stainless Steel Barbell Hitch Pin Lock - 5/8in Receiver Lock for Heavy-Duty Trucks, Weatherproof Security

MasterLock
9.7
ProductSearch.org score rating is a scoring system developed by our experts. The score is from 0 to 10 based on the data collected by the ProductSearch.org tool. This score doesn't impact from any manufacturer or sales agent websites. We encourage you to write a review of your experiences with these products. Learn more »
Pros & Cons

Pros

  • Corrosion-resistant stainless steel build endures tough outdoor use
  • Simple push-to-lock for effortless operation
  • Weather-tight cap prevents dirt and water intrusion
  • Precise fit for heavy-duty tow packages on major truck brands
  • Extended length accommodates deeper receiver applications

Cons

  • Limited to 5/8-inch receivers, not suitable for other sizes
  • Extended shaft designed specifically for heavy-duty trucks, may not fit standard setups
  • Requires key for removal, no keyless unlock option
33

Master Lock 8114D 6ft Combination Bike Cable Lock - Set Your Own 4-Digit Code, Braided Steel, Weather-Resistant Vinyl Coating

MasterLock
9.6
ProductSearch.org score rating is a scoring system developed by our experts. The score is from 0 to 10 based on the data collected by the ProductSearch.org tool. This score doesn't impact from any manufacturer or sales agent websites. We encourage you to write a review of your experiences with these products. Learn more »
Pros & Cons

Pros

  • Highly flexible cable for easy wrapping and portability
  • Customizable combination eliminates key loss worries
  • Protective coating prevents damage to bike paint
  • Long 6ft length suits larger frames and multiple items
  • Durable braided steel withstands daily outdoor exposure

Cons

  • Offers basic security only, not suitable for high-risk areas
  • Cable may be vulnerable to bolt cutters
  • Length can feel bulky for compact storage
34

Master Lock M175LFEC2 Gold Heavy Duty Outdoor Combination Padlock, Weatherproof Resettable 4-Digit Locks, Tough-Cut Shackle, 2 Pack

MasterLock
9.6
ProductSearch.org score rating is a scoring system developed by our experts. The score is from 0 to 10 based on the data collected by the ProductSearch.org tool. This score doesn't impact from any manufacturer or sales agent websites. We encourage you to write a review of your experiences with these products. Learn more »
Pros & Cons

Pros

  • Tough-Cut shackle 50% harder than steel excels in cutting resistance
  • Hinged dial cover and seals provide excellent weatherproofing
  • One-directional dial works well in low light
  • Set-your-own combination is user-friendly and tool-free
  • Lifetime guarantee backs trusted brand reliability

Cons

  • 4-digit combination requires memorization to avoid lockout
  • Octagonal shackle design may not fit all narrow hasps
  • Heavier build suits heavy-duty use but feels bulky for light applications
35

Master Lock 175LHEC2 Combination Padlocks, Set Your Own 4-Digit Combo, 2-1/4in Extended Shackle for Gates & Sheds, 2 Pack

MasterLock
9.6
ProductSearch.org score rating is a scoring system developed by our experts. The score is from 0 to 10 based on the data collected by the ProductSearch.org tool. This score doesn't impact from any manufacturer or sales agent websites. We encourage you to write a review of your experiences with these products. Learn more »
Pros & Cons

Pros

  • Set-your-own combo prevents forgotten codes and enhances convenience
  • Extended shackle fits more applications like wide gates and storage units
  • Cut-resistant hardened steel and solid body offer superior strength
  • Weatherproof design suits demanding outdoor environments
  • Value-packed 2-pack for comprehensive securing needs

Cons

  • Shackle presets to 0-0-0-0, requiring immediate reset for security
  • Combo dialing may need practice for smooth operation
  • Solid build adds slight weight for heavy-duty use
36

Master Lock STW205GYC Fireproof Waterproof Safe 2.0 cu ft Digital Keypad Black Steel UL Certified

MasterLock
9.6
ProductSearch.org score rating is a scoring system developed by our experts. The score is from 0 to 10 based on the data collected by the ProductSearch.org tool. This score doesn't impact from any manufacturer or sales agent websites. We encourage you to write a review of your experiences with these products. Learn more »
Pros & Cons

Pros

  • Exceptional fire and water resistance backed by UL and ETL certifications
  • Robust steel construction with advanced anti-pry features
  • Convenient digital access and organized interior for quick use
  • Lifetime warranty for long-term peace of mind

Cons

  • Heavy steel build limits portability without bolting
  • Digital keypad requires battery maintenance
  • Compact interior may not accommodate bulky items
37

Master Lock 8143T Preset Combination Bike Cable Lock, 4ft Braided Steel Vinyl Coated, 2-Pack for Bikes & Outdoor Gear

MasterLock
9.6
ProductSearch.org score rating is a scoring system developed by our experts. The score is from 0 to 10 based on the data collected by the ProductSearch.org tool. This score doesn't impact from any manufacturer or sales agent websites. We encourage you to write a review of your experiences with these products. Learn more »
Pros & Cons

Pros

  • Durable braided steel with protective vinyl for scratch-free use
  • Preset combination offers simple keyless operation
  • Two locks in one pack with matching combo for easy management
  • Flexible 4ft length works well for bikes and gear
  • Top-ranked in bike cable locks for proven popularity

Cons

  • Provides basic security as a deterrent, not for high-risk areas
  • Shared combination for both locks may reduce security if compromised
  • 4-foot length might be short for larger frames or multiple loops
Detailed Review

The Master Lock 8143T is a pair of preset combination cable locks designed for securing bicycles and outdoor equipment. With 4 feet of braided steel cable and a weather-resistant vinyl coating, these locks target casual users seeking convenient, basic protection against theft. Cyclists, commuters, and owners of lawn tools or sports gear will find them practical for everyday deterrence.

Standout features include the four-dial preset combination for keyless access, allowing quick setup and use without fumbling for keys. The 5/16-inch diameter braided steel offers flexibility to wrap around frames and poles easily, while the vinyl sheath prevents damage to painted surfaces. In real-world scenarios, they excel as a secondary lock or for low-risk parking, providing peace of mind backed by Master Lock's lifetime warranty.

Build quality shines with robust materials that withstand outdoor exposure, though the design prioritizes convenience over heavy-duty strength. The shared combination simplifies management for the two-pack but requires memorization to avoid issues. Minor drawbacks include limited length for bigger setups and basic security level unsuitable for urban high-theft zones.

Overall, the 8143T delivers reliable value for budget-conscious users wanting hassle-free bike locking. If you need simple, effective deterrence from a top-ranked brand, this is a solid choice.

Specifications

Key Specs:

  • Length: 4 ft. (1.2 m)
  • Diameter: 5/16 in. (8 mm) braided steel
  • Lock Type: Preset four-digit combination
  • Material: Vinyl-coated steel
  • Pack: 2 locks, same combination
  • Dimensions: 0.31 x 0.31 x 48 inches
  • Weight: 0.73 pounds
  • Warranty: Limited Lifetime
  • Best Sellers Rank: #1 in Bike Cable Locks
38

Master Lock M175XDLF Heavy Duty Outdoor Combination Padlock - Weatherproof, Resettable 4-Digit, Tough-Cut Shackle, Brass Finish

MasterLock
9.6
ProductSearch.org score rating is a scoring system developed by our experts. The score is from 0 to 10 based on the data collected by the ProductSearch.org tool. This score doesn't impact from any manufacturer or sales agent websites. We encourage you to write a review of your experiences with these products. Learn more »
Pros & Cons

Pros

  • Exceptionally tough shackle resists cutting and sawing
  • Fully weatherproof for harsh outdoor conditions
  • User-resettable combination for personalized security
  • One-directional dial works in low light
  • Strong zinc construction with protective features

Cons

  • Combination mechanism may be slower than keyed locks for quick access
  • Bulkier body might not fit smaller hasps
  • Requires memorizing or recording the code
39

Master Lock 175DLH Brass Combination Padlock - Set Your Own 4-Digit Code, Extra Long 2-1/4" Shackle for Gates, Sheds & Fences

MasterLock
9.6
ProductSearch.org score rating is a scoring system developed by our experts. The score is from 0 to 10 based on the data collected by the ProductSearch.org tool. This score doesn't impact from any manufacturer or sales agent websites. We encourage you to write a review of your experiences with these products. Learn more »
Pros & Cons

Pros

  • Customizable combination prevents key loss worries
  • Extended shackle fits more applications without hassle
  • Weather-resistant construction for long-term outdoor reliability
  • Strong solid body and hardened shackle deter break-ins
  • Lifetime warranty backs quality from trusted brand

Cons

  • Preset to 0-0-0-0 requires immediate reset for security
  • Combination changes need included tool, adding a step
  • Brass body may show wear faster than stainless in harsh conditions
40

Master Lock 1177D ProSeries Brass Padlock - Resettable 4-Digit Combination, 2-1/4in Wide, Cut-Resistant Shackle for Gates, Fences, Tools

MasterLock
9.6
ProductSearch.org score rating is a scoring system developed by our experts. The score is from 0 to 10 based on the data collected by the ProductSearch.org tool. This score doesn't impact from any manufacturer or sales agent websites. We encourage you to write a review of your experiences with these products. Learn more »
Pros & Cons

Pros

  • Exceptional cut and pry resistance for high-security needs
  • User-friendly resettable combination with no tools required
  • Weatherproof seals extend lifespan in industrial settings
  • Large dials enable easy use in challenging conditions
  • Lifetime guarantee from trusted Master Lock brand

Cons

  • Shrouded shackle limits maximum opening width for thicker items
  • 4-digit code requires memorization without key backup
  • Bulkier industrial build may not suit lightweight residential uses
41

Master Lock 7116D White Plastic Key Tags, 20-Pack | Durable, Easy-Install Key Organizers

MasterLock
9.6
ProductSearch.org score rating is a scoring system developed by our experts. The score is from 0 to 10 based on the data collected by the ProductSearch.org tool. This score doesn't impact from any manufacturer or sales agent websites. We encourage you to write a review of your experiences with these products. Learn more »
Pros & Cons

Pros

  • Highly durable for everyday reliability
  • Easy installation and handling
  • Convenient 20-pack quantity
  • Clear white design for better organization
  • Made in USA for trusted craftsmanship

Cons

  • Plastic material may not suit extreme heavy-duty applications
  • Limited to white color only
  • Some units manufactured in China despite USA origin claim
42

Master Lock 8126D 6ft x 5/16in Keyed Bike Cable Lock - Braided Steel, Vinyl Coated for Strength & Scratch Protection

MasterLock
9.6
ProductSearch.org score rating is a scoring system developed by our experts. The score is from 0 to 10 based on the data collected by the ProductSearch.org tool. This score doesn't impact from any manufacturer or sales agent websites. We encourage you to write a review of your experiences with these products. Learn more »
Pros & Cons

Pros

  • Strong, flexible braided steel cable
  • Scratch-preventing vinyl coating
  • Pick-resistant keyed locking mechanism
  • Versatile for multiple security needs
  • Generous 6ft length with two keys included

Cons

  • Provides only basic security, not for high-risk areas
  • Vinyl coating may wear with heavy use
  • Self-coiling design can feel bulky when stored
43

Master Lock 1175LHSS ProSeries Brass Resettable Combination Padlock - Heavy Duty Outdoor Lock for Gates, Fences, Construction Sites, 2-1/4in Wide

MasterLock
9.5
ProductSearch.org score rating is a scoring system developed by our experts. The score is from 0 to 10 based on the data collected by the ProductSearch.org tool. This score doesn't impact from any manufacturer or sales agent websites. We encourage you to write a review of your experiences with these products. Learn more »
Pros & Cons

Pros

  • Highly durable in wet, corrosive environments like construction sites
  • User-friendly resettable combo with no special tools needed
  • Operates smoothly even with gloves or in poor visibility
  • Strong anti-cut and anti-pry features enhance security
  • Weatherproof seals protect internals from dust and debris

Cons

  • Bulkier 2-1/4in body may not fit smaller hasps
  • 4-dial combination requires memorization without key backup
  • Initial dial stiffness possible until broken in
44
Pros & Cons

Pros

  • Keyed alike convenience with six total keys
  • Broad compatibility with major coupler brands
  • Heavy-duty 2.4 lb construction for superior strength
  • Advanced locking mechanism thwarts common theft tactics
  • Rust-resistant materials for all-weather durability

Cons

  • Multiple 3-packs may not be keyed alike—order 6-pack for matching sets
  • Heavier weight could feel bulky for lighter-duty users
  • Fits most but not all 2-5/16in couplers precisely

MasterLock Brand Guide

Brand Overview

MasterLock stands out in the crowded bike security market with cable locks that prioritize flexibility, strength, and convenience. Customers consistently praise their products for holding up against everyday use, earning ratings like 4.6/5 for the 8127TRI 3-pack of keyed-alike bike lock cables in blue, green, and red. These locks offer 6-foot lengths ideal for securing frames and wheels effectively.

The brand's reputation is built on practical designs that deliver solid value without unnecessary complexity. In categories like bike locks and cable locks, MasterLock excels by focusing on weather-resistant coatings and intuitive mechanisms, making them a go-to for budget-conscious shoppers seeking dependable protection.

What to Expect from MasterLock Products

MasterLock cable locks share common strengths, including tough vinyl coatings that resist weather and wear, ensuring longevity outdoors. Models like the 8143T preset combination pack of two 4-foot black metal cables provide preset codes for quick access, while avoiding the need for keys that can be lost. Build quality features braided steel cables that deter casual theft without excessive weight.

Design philosophy emphasizes versatility: use them on bikes, ladders, or tools. Priced accessibly, they appeal to casual riders, families, and commuters who want reliable security without premium costs. Cyclists appreciate the color-coded options in the 8127TRI pack for matching multiple bikes with the same key.

Best suited for urban cyclists and recreational users facing moderate risks, these locks shine in everyday scenarios. Check our cable locks section for direct comparisons with other brands.

Overall, MasterLock products balance security, portability, and ease. The high ratings reflect real-world performance: the 8127TRI's 4.6/5 score highlights its keyed-alike convenience, while the 8143T at 4.4/5 is favored for no-fuss combinations. Whether looping through frames or gates, users report confidence in their hold.

For those upgrading from basic chains, MasterLock offers a step up in flexibility. Pair with U-locks for layered protection, as many reviewers do. Their consistent quality makes them a smart pick across cycling communities.

Frequently Asked Questions

Yes, MasterLock bike locks like the 8127TRI 3-pack earn 4.6/5 ratings for their durable braided steel cables and weather-resistant vinyl coating. They effectively secure bikes against casual theft in urban settings. Users report long-term reliability without frequent failures.
Keyed locks like the 8127TRI use a single key for multiple cables, ideal for families or multi-bike households. Combination models such as the 8143T feature preset codes for keyless access, perfect for those who dislike carrying keys. Both offer similar 4-6 foot lengths and strength.
Consider your needs: opt for the 8127TRI 3-pack if you want keyed-alike convenience for several items. Choose the 8143T for simple combo access on a single bike. Lengths suit most frames, and high ratings confirm versatility for bikes or gear.
Top performers include the Bike Lock Cables 8127TRI at 4.6/5 for its colorful, keyed-alike design and 6-foot length. The 8143T preset combination pack scores 4.4/5 for weather resistance and ease. Both excel in customer feedback for value and security.
Absolutely, their flexible cables work well on ladders, grills, or tools beyond bikes. The vinyl coating protects surfaces, and lengths like 4-6 feet accommodate various items. Reviewers often use them for multi-purpose outdoor storage securely.