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Recognized around the world as the authentic, enduring name in padlocks and security products, Master Lock products deliver strength and quality in every application.

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Masterlock Multi-User Lock


Masterlock Padlock


Masterlock Combination Locks

Multi-user locks allow a locker user to set their own temporary 3-digit combination for the duration of visit, eliminating the need for system charting.



Master Lock’s built-in combination locks can be customized with optional color metal dials. Choose from Red, Blue, Green, Purple or Black.



Master Lock is recognized around the world as the strongest, most enduring name in padlocks and security products. The iconic Tough Under Fire™ shot-lock demonstration showing a Master Lock padlock withstanding the impact of a rifle bullet is jaw-dropping to the millions of viewers who have seen it since its first air date on the Super Bowl.