Monthly Archives: February 2021

Master Key: the key system for shops and offices

In the last post we saw how to open all the locks with the same key, thanks to the KA system.

And, as if that wasn’t enough, all these locks must often be operated by different people: owner, shop assistants, administrative staff, suppliers… which adds a further layer of complexity and possible confusion. In this case it may be useful to be able to give each person or group of people a key which only opens certain doors and not others.

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