The KEE-BLOK is a door knob lock cover that allows you to lock an existing keyed entry door knob in seconds. This lock out lock for door knobs allows you to lock out anyone with a key to the existing door knob . This lock over door knob system has many applications such as lock a property after an eviction or vacation, etc.
Fits knobs measuring 1-3/4" max. front to back and 2-1/2" max. diameter.
Comes with two keys. Each lock is keyed different.