We consider a master safety lock to be a worthy investment in the long run. Let’s take you step by step, type by type, and find the best master safety lock for you.

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Our Top Picks:

Best Overall: Buy: Master Lock Key Lock READ REVIEW

Best For Lockout Tagout: Buy: Master Lock Safety Lock READ REVIEW

Best For Corrosion Resistant Materials: Buy: Master Lock Luggage Lock READ REVIEW

Best For Heavy Duty Trailers: Buy: Master Lock Solid Lock READ REVIEW

Ideal For Corrosive: Buy: Master Safety Lock READ REVIEW

Best For Heavy Duty: Buy: Master Lock Good Lock READ REVIEW

Best For Storage Unit: Buy: Master Lock Good Little Lock READ REVIEW

Best For Good Size: Buy: Master Lock Lockout Tagout Padlock READ REVIEW

Best With Prompt Shipping: Buy: Master Lock Steel Body Padlock READ REVIEW

Best For Osha Lockout Compliance: Buy: Master Lock Sturdy Lock READ REVIEW

Best Overall: Master Lock Key Lock

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Compared with other Master Lock's products, the Master Lock Key Lock has a design with broader appeal. The master lock key lock is very secure, it is used for good buying and has specifications design. Make sure this fits by entering your model number. Also, this is more durable, makes for easy open, It is perfect for gym lockers and has a safe design.

Finally, the master lock key lock is constructed with a black vinyl-covered aluminum body for scratch and corrosion resistance, hardened steel shackle for cut resistance.

Most buyers found that the lock can be raked open in seconds and be combed through. Further, they say that the lock is good for outdoor storage bin. Moreover, a few say that the lock is really master and not a bejing simulation. To sum up, most buyers agree that the lock suits them best, and no one questions it.

• This comes with (2) keys per lock in a pack.
• This can help with customer service, It is highly recommended and has a cute design.
• Four-pin cylinder and dual locking lever mechanism for pick and pry resistance.
• This is more for a file box or something small.

Best For Lockout Tagout: Master Lock Safety Lock

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The Master Lock Safety Lock has killer features for the price point. Further, the master lock safetylock is keyed different, looks nice, it feels solid and has a durable design. The lifetime guarantee provides peace of mind from a brand you know and can trust. The durable, lightweight, non - conductive lock body is easy to carry and the padlock features high security, reserved - for - safety cylinder with key retaining, to ensure the padlock is not left unlocked. Most importantly, the master lock safetylock is available in 5 colors: black, orange, blue etc., so, we bet you will like one of these.

Most buyers quickly discovered that the lock came with some of their best cylinders. Furthermore, a few also found that the lock comes with a sticky back to write on. it it it it it. Moreover, a few say that the lock is a great lock for lockout tag out purposes. In short, buyers found this to be one of the best locks for daily purposes.

• This is used to use the bigger industrial lockouts.
• This has 6 pins and every driver pin is a security pin.
• This does contain security pins.
• This is exclusive for safety, it does the job and has an excellent design.

Best For Corrosion Resistant Materials: Master Lock Luggage Lock

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Next on the list, we've got yet another product that manages to win our hearts. It's the Master Lock Luggage Lock and it's widely considered as one of the most convenient products you can buy. The master lock luggage lock has served its purpose, is best with great size and it fits the bill. . Moreover, the lock can be used as a locker lock and storage lock.

The lock is indoor and it is unique. Most importantly, the master lock luggage lock allows for a great appearance for outdoors, contains 4 locks and it is for indoor.

Most buyers found that the lock is a good keyed lock and would work with any hasp. In addition, they strongly agree that the lock will never see weather but they work great on the pelican case. Moreover, a few say that this lock is bigger than a luggage lock, but not as big as a full - size master lock. In conclusion, for almost all customers, it was what they were looking for.

• This includes four keys alike padlocks, two keys.
• This comes with this opens both locks.
• This is a good lock for pistol cases.
• This is the “normal” distance that one would expect from buying a commercial lock.

Best For Heavy Duty Trailers: Master Lock Solid Lock

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The Master Lock Solid Lock's superior materials makes sure that it ages well with use. The master lock solid lock is recognized around the world as the authentic, enduring name in padlocks and security products. . The master lock 37ka laminated steel padlock, keyed alike ( multiple locks open with the same key ) features a shrouded laminated steel body for extra strength and a shackle guard to protect against bolt cutters and hacksaws.

Lastly, the master lock solid lock works as intended and it is unique.

Almost all customers quickly discovered that the lock is great to have multiple locks all keyed alike. In addition, a few strongly agree that the lock can be defeated if someone wants to defeat them. Also, a few say that the lock will be used somewhere else.

• This is advertised they would be keyed alike.
• This fits great, it is designed for very heavy duty and has a solid design.
• 1-9/16-inch shrouded laminated steel body for superior strength.
• Dual locking levers provide extra pry resistance.

Ideal For Corrosive: Master Safety Lock

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The Master Safety Lock's high-end materials make sure that it ages well with use. The mastersafety lock is easy to spot, it is keyed differently and has an excellent design. The Manufacturer says: Since our founding in 1921, we have worked hard to earn and maintain the trust of our customers by delivering on our promise of strength and quality and by continually setting new standards for lock design, application and performance. In addition, the lock works well for good quality, is built for tough environments, It is great for a great price and has a classic design. Lastly, the mastersafety lock is ideal for corrosive, It can be with product name and has a solid design.

Most buyers quickly discovered that the lock has serrated pins that resist picking, and the shackle is held in place with ball bearings so it cannot be opened with a metal shim. Also, they strongly agree that the lock is a much better American lock brand lock. Further, they say that this lock feels easier to pick than older locks even with the security pins equipped. To sum up, the tone of buyers is very positive and we believe that the lock suits the purpose.

• This is a worthy upgrade from a master lock.
• High visibility color plus high security.
• This American lock padlock is resistant to picking and shimming attacks.
• Ideal for corrosive and tough environments.

Best For Heavy Duty: Master Lock Good Lock

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The master lock is good lock's superior materials, making sure that it ages well with use. The master lock lock is designed exclusively for lockout tagout applications and is best used as part of a comprehensive osha compliant safety program. durable, nonconductive polymer lock body resists chemicals and stands up to lots of use. This keyed - alike padlock is designed just for lockout / tagout situations with the words ' safety lockout ' stamped and stickered to the padlock to alert workers.

The lock is made with fast shipping, is ideal for safety padlocks and it does the job. Lastly, a Master Lock Good Lock is very visible and it can be bought for good value.

Most customers agree that the lock can be used in combination with the light switch lock out. Further, a few strongly agree that the lock does exactly the job you'd expect...safely locks out electrical equipment. Moreover, a few also found that the lock is plastic, so it won't survive hammer blows or a crowbar, but it's not meant to. Consequently, customers were very happy to recommend it to friends and families.

• This lock feels kind of flimsy.
• This is great for a person who has to do many, many things at one time.
• The lock itself is metal but it has a plastic red case on it.
• This has a red plastic case which surrounds the metal mechanism and a huge key.

Best For Storage Unit: Master Lock Good Little Lock

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If you want nothing but the best suitable lock, then this product is the one you should definitely consider, as it manages to bring a lot to the table. Moreover, the Master Lock Good Little Lock is part of the doors & security segment of Fortune brands home & security, which also includes therma-tru doors, fiberon decking and fypon. Manufacturer says: As the largest global manufacturer and marketer of padlocks, we continue to build our founder’s passion for innovation, quality, and compelling value into our expanding lines of security solutions. The master lock company includes the master lock and sentry safe brands. Most importantly, the master lock good little lock is available in blue, black and natural silver colors.

Most buyers find that the lock will require at least a good deal of work with a pair of 24” bolt cutters, and any concealable hammer will have little effect on this lock. And, a few also found that the lock is easy to pick that lock picking classes always use this lock for beginners. Also, a few also found that the ability for a lock to be picked should not be the primary means of determining whether or not said lock is good at what it does. In conclusion, most buyers found the lock is functionally comfortable and no one questions it.

• This is an excellent practice lock, for newbies.
• This is highly recommend, it allows for superior strength and has a classic design.
• This is made for high security but to say do touch.
• This comes with two keys and it is good for first - time lockpickers.

Best For Good Size: Master Lock Lockout Tagout Padlock

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The Master Lock Lockout Tagout Padlock should be able to handle its purpose and duties with ease. The master lock lockout tagout padlock is designed specifically for safety lockout/tagout applications, padlock is key retaining to ensure that the padlock is not left unlocked and the high-security reserved for safety 6-pin tumbler cylinder complies with the "one employee, one lock, one key" directive. Write-on, multi-language padlock labels are included for on-site customization. Also, the lock includes one red lockout tagout padlock, one key. Most importantly, the master lock lockout tagout padlock is keyed differently and it is perfect for good size.

"Very good lock, never had any problems. " - says, one customer. To sum up, at the price, they believe that they got a steal of a deal with it.

• Good investment for the long term.
• Delivers what they promise.

Best With Prompt Shipping: Master Lock Steel Body Padlock

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Next on the list, we've got yet another product that manages to win our hearts. It's the Master Lock Steel Body Padlock and it's widely considered as the product that has the most suitable features. Further, the lock has a reinforced laminated steel construction. 3 reinforced laminated steel padlocks with a red bumper. Most importantly, the master lock steel body padlock is keyed and it is traditional.

Overall, many customers have used the lock for more than a few months without any complaints, and it shows no sign of giving up.

• Proprietary rust - proofing for longer life.
• Hardened steel shackle for extra resistance.
• 1-9/16-inch (4cm) wide locked body with a 2-inch (5.1cm) high clearance.
• No. 3 reinforced laminated steel padlock with red bumper.

Best For Osha Lockout Compliance: Master Lock Sturdy Lock

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The Master Lock Sturdy Lock's material feels more premium than its price would suggest. The durable, non-conductive lock body is built to last. Also, the lock is designed specifically for osha lockout compliance, sturdy lock is brightly colored with a warning label. The lock is easy to maintain and use.

• Permanent labels on the lock guarantee that passersby will get the message.
• Brightly colored lock with warning label.
• Steel shackle with 1 1/2" clearance.