Cylinders & Escutcheons

Master Key Systems Guide Cylinders MASTER KEY GRAND MASTER KEY • In a master key system, a master key opens all the locks in the system • Each lock also has its own unique key • For a ‘closed system’ keys can only be ordered from the manufacturer. • Similar to a master key system • Provides one grand master key for several master key systems 292 Mila Sales 01327 312 400