Master Lock is recognized around the world as the authentic, enduring name in Master Lock padlocks and Master Lock security products. Since our founding in 1921, Master Lock has 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 Master Lock design, application and performance. As the largest global manufacturer and marketer of Master Lock padlocks, we continue to build our founder’s passion for innovation, quality, and compelling value into our expanding lines of Master Lock security solutions. Master Lock is a part of The Master Lock Company.