Invincible and Chicago Lock MF501-MF1000 office furniture keys.

Replacement key for MF501-MF1000 office furniture locks made by Invincible and Chicago Lock. Keys are designed to work on various Invincible and Chicago Lock office furniture, cubicles, desks, and file cabinets with locks that fall in the MF501-MF1000 range of numbers (ie: a MF753 key will only work on a MF753 lock).

Please select your desired key number from the drop down menu. The key number needed can be found on the lock face and on any original keys.