A master keyed lock is actually a lock that's built to be opened up by specific keys, but could also be opened using a master key. Master keys are commonly used in commercial setups where the master key holder may have a key to their office's main door that can also open the bathroom, or a maintenance staff may have a master key that opens every door in the same building.

Apartment owners utilizes master keys to open each and every door of their rented flats, and each occupant possess their own keys for a specific unit as well. This particular key may also be used to open the building's main entrance door together with additional common areas within the apartment. Unlike Master keys, a tenant's specific key will not work on the lock of a different apartment unit.

Master key systems also involve grand master and sub master keys. Masker key system is all you need when you want to possess only one key to access all doors in your home or commercial building.

Depending on your key holder, we are sure to make the proper master key systems. Dial our number today. We are round the clock available to provide answers to all emergency calls regarding a locksmith service.