Key In Lever Cylinder For Use In Commercial Lever Locks

Keyed Lever cylinders made to be used with grade 2 and 3 knobs and levers. 

These cylinders come with Multiple tailpieces, so they can be used in lots of different applications.  

Sometimes referred to as KIK Cylinder for "Key In Knob"

and sometimes referred to as KIL Cylinder for "Key In Lever"