ThisMortise Cylinder Guard is a security feature that is used to prevent the removal of the lock cylinder from the door with pliers or a pipe wrench. It is made from hardened steel, and it has a free-spinning beveled collar that fits standard Mortise cylinders. The finish on this product is duronotic.

The Cylinder Guard is furnished with a retaining clip, two spacers, and instructions for use. It is designed specifically for use on Aluminum Doors.