Who can use a master key?

Are master keys universal?

No. Without the key number, there is no way for Master Lock to know which key will open your lock. There is not a master key that will open all Master Lock products.

What does a master key unlock?

Master keys make it possible to unlock multiple locks with one key. They allow you access to multiple doors in buildings and make it much easier on those needing access. A good example of how master keys work is found within an apartment building.

Can a master key be copied?

Master Key Systems Are Created on Restricted Keyways Restricted keyways are patented, which means that they can't be sold on the open market and can't be copied at a hardware store or commercial location. Instead, master keys can only be copied with your authorization by your key provider.