Master Lock S600 Portable Group Lock Box with Key Window - Secure Storage for Keys, Tools & Valuables - Ideal for Home, Office & Outdoor Use

Master Lock is an American company that develops padlocks, combination locks, safes and related security products. Master Lock was founded in 1921 by Harry Soref, P. E. Yolles, and Sam Stahl. Soref invented and patented a padlock in 1924. Master Lock Headquarters are in Oak Creek, Wisconsin, United States.

Made to withstand even the toughest jobs to secure

Quality assured products

Founded in 1921 by Harry Soref, P. E. Yolles

Master Lock is an American company

Master Lock Headquarters are in Oak Creek, Wisconsin, United States