Check out the new MasterLock.com! Launched just in time to complement our 100-year celebration, it features an engaging new design and enhanced search experience. We've made it easy to explore our wide range of products and find the perfect fit for all of your security needs. Visit MasterLock.com today! Thanks to Laughlin Constable and Monarch Creative for all their great work on the website and our 100-Year Celebration. #MasterLock #MasterLock100Years #ForEverythingWorthProtecting | Master Lock

Sleek, secure, and reliable: Introducing the next generation of shared access solutions from Master Lock. Our newest line of lock boxes will keep property safe while allowing convenient access to those that need it. Learn more: https://www.masterlock.com/next-gen-lock-boxes | Master Lock

Master Lock 5401 Code Change Instructions | Securikey

How to easily open a Master Lock in seconds

Unlock the next gig before you even start it. Share unique access codes from afar with our Bluetooth® Outdoor Padlock and Master Lock Vault™ app connectivity. | Master Lock

From first bell to last, Master Lock helps protect what matters most. | Master Lock

For 100 years, you've trusted Master Lock to safeguard everything you value and hold dear. As we celebrate 100 years, click now and explore all the ways we can help you live a safer, more secure life. | Master Lock