Master Lock is recognized around the world as the authentic, enduring name in padlocks and security products. Since its founding in 1921, it has worked hard to earn and maintain the trust of its customers by delivering on its promise of strength and quality and by continually setting new standards for lock design, application and performance. As the largest global manufacturer and marketer of padlocks, Master Lock continues to build on its founder’s passion for innovation, quality, and compelling value into its expanding lines of security solutions. The Master Lock Company includes the industry leading Master Lock and Sentry®Safe brands.