Products 
Several master groups with sub-master groups and individual keys are combined under a grand master key according to the company´s management structure. Typical applications are administration buildings, industrial buildings, etc.
The Simple Master Key System
A system with keyed to differ cylinders
and a superior Master Key.
The Central Locking System with or without Technical Master Key
Each flat is provided with keyed to differ cylinders; the flat owners can lock both, their flat and the main entrance door with their individual key. In addition to this a technical master key, which opens all technical rooms, can be planned.
