A master key is a main key that is made to access a number of different locks that are not keyed the same. 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.

Apartment owners uses master keys to open each door of their rented apartments, and on the other hand, each tenant also have a key to their own and specific unit. Tenants' key may also be used to access the main door of the building along with other areas accessible to renters. 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 keys, grand master and sub-master keys. You need a master key if you do not want to keep a lot of keys for a lot of doors.

Depending on your key holder, we are sure to make the proper master key systems. All you need to id is just dial our number. We are available 247 to answer you calls.