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

Master keys are often used by apartment proprietors where by they are able to obtain access to each doorway of these rented rooms/flats, where renters also have their keys for their particular apartment. This particular key may also be used to open the building's main entrance door together with additional common areas within the apartment. However, it cannot be used to open another apartment unlike master keys.

Master key systems also involve 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.

We can make the proper master key systems depending on your key holder. All you need to id is just dial our number. We are round the clock available to provide answers to all emergency calls regarding a locksmith service.