Master Lock was established in 1921 by Harry Soref. Ninety years later Master Lock has earned and maintained the trust of customers by delivering strength and quality while continually setting new standards for lock design, application and performance. Master Lock continues to build on its founder's passion for innovation, quality, and compelling value, continually expanding their range of security solutions. The Master Lock Safety products and services are designed to help you successfully develop and implement the best possible lockout/tagout system for your facility. The goal is for your facility to meet or surpass OSHA’s LO/TO requirements. While it’s important to satisfy regulations, preventing accidents and protecting your employees is critical. You can rely on the Master Lock Safety Solutions™ lockout and tagout products to perform to the high standards you expect from Master Lock.