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. 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 being used by apartment owners where they can open each door of their rented rooms/flats, wherein each tenant also have their own keys for their specific unit. Other common areas in the apartment can also be opened using this key including the main door of the entire building. However, it cannot be used to open another apartment unlike master keys.

Master key system is a complex system that involves 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.

According to the requirements of the key holder, we are able to create different master key systems. All you need to id is just dial our number. Our customer support is available 247.