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. A master key system uses security key blanks that are precisely designed keys which could only be duplicated only from a locksmith who created the system.

Master keys are usually utilized by property owners throughout apartment buildings in which there is a master key that can open a door in every apartment, and each occupant possess their own keys for a specific unit as well. That same key may also open the main door into their building or other common areas. Unlike Master keys, a tenant's specific key will not work on the lock of a different apartment unit.

Complex master key systems involve multiple master, grand master and sub master keys. Master key is all you need if you must have an access to multiple doors without the hassle of asking each key holder to unlock the door for you.

According to the requirements of the key holder, we are able to create different master key systems. All you need to do is to dial our number and our accommodating phone staff are more than happy to assist you. We are available 247 to answer you calls.