Master Keys & Sets of Master Keys

Master keying refers to a mechanical locking system used throughout a building whereby one key can access multiple locks. This system, also known as a master key system (in reference to the master key which accesses all locks), is used to provide or limit access to different locked areas within a building or complex.

Master key systems use cylinder locks which can be accessed as normal by an individual key designed for the lock. However, master keyed locks also feature additional pins – referred to as a wafer pin or master shim – which allows it to not only be accessed by an individual key but a master key(s) also.

Please note: security procedures may apply to certain master keys


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