Master Key
What is a master key?
A Master key suite allows each lock to have its own individual key which will not operate any other lock: however, each lock also forms part of a larger set allowing them to be operated by a single key - the master key.
A Master key suite allows each lock to have its own individual key which will not operate any other lock: however, each lock also forms part of a larger set allowing them to be operated by a single key - the master key.