National Office N CK CONTROL KEY 

National Office N CK

N CK Control Key

Control Key, Removal Key, Pull Key... Different Names, Same Function

The Control Key is required for the removal and installation of lock cores. It does not lock or unlock your lock like a regular key. Most locks must be in the unlocked position to remove the lock core. It is also referred to as a Pull Key, Change Key, Core Removal Tool.

Using a Control Key to Remove and Install Lock Cores


This control key is used on the following series:

DarRan  BH101 - BH110 
Kimball Office  N01 - N75 
National Office  N01 - N75