CompX National D8779 CONTROL KEY 

CompX National D8779

D8779 Control Key

Used for C8850 RemovaCore Lock Cores

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