Master Lock Company LLC is an American company that develops and markets padlocks, combination locks, safes, and related security products. The company was founded in 1921 and is headquartered in Oak Creek, Wisconsin.
Founded in 1921 by Harry Soref in Milwaukee, Wisconsin
Developed the world's first laminated padlock
Introduced first combination lock in 1935
Acquired American Lock Company in 2003
Acquired Sentry Group in 2014
German manufacturer of locks and security products
Brand of bicycle locks owned by Allegion
Brand of locks owned by Assa Abloy
Includes keyed, combination, and Bluetooth padlocks.
Fireproof and waterproof safes for home and office use.
Key and combination lock boxes for secure key storage.
Braided steel cables and chain locks for locking bikes and other equipment.
Instructions for setting the combination on a Master Lock can be found on their website or in the user manual that came with the lock.
Master Locks can be picked like any other lock, but their design makes them more difficult to pick than some other locks.
Yes, replacement keys can be ordered through the Master Lock website or by contacting their customer service department.
Many Master Lock products are still made in the USA, although some products are manufactured overseas.
Yes, Master Lock offers a limited lifetime warranty on many of their products. The specific warranty terms may vary depending on the product.