Master key or master keying is the capability to use one "Master" key to open one or more locks that are not actually keyed the same. Restricted security key blanks of a master key are patent protected disabling other key manufacturers create duplicates of that design.

Master keys are often used by apartment proprietors where by they are able to obtain access to each doorway of these rented rooms/flats, and each occupant possess their own keys for a specific unit as well. Other common areas in the apartment can also be opened using this key including the main door of the entire building. However this key is not going to work on the lock of a different unit.

Master key system is also a complex system as it may involve multiple master, 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 the needs of the key holder, we can make various master key systems. All you need to id is just dial our number. Remember that you can easily reach us by phone 247.