Kee-Blok entry knob lock-out device, prevents keys from operating standard key-in-knob locksets. While this product may keep a passage knob from working - it is designed to block the key from enter a lock which prevents it from unlocking.
- Double sided wafer tumbler lock.
- Ideal for hotel lockout.
- Easily move from door to door.
- Supplied Keyed Different
- Designed to Block the Key from Entering the Lock - KEE BLOK