How do lock with master key work?

Master key is used to open two or more locks. Many master keys use pin and tumbler locks. Master wafers must be inside the Lock for a master key to work.

Master keys are configured for operating all locks by an individual key. A professional locksmith can help with master key system.

With a master key system, one key can open multiple locks. All locks within the system must be programmed before use in order for keys to unlock all locks simultaneously. If you lose your master key, you will need to replace it with a new key made by the manufacturer of your existing cabinet locks. Contact professional locksmith in your area.