With the Inter-Lockit Cylinder Protector application is fast and easy. Supplied template locates one hole to make, Single 1/4″ screw secures the hardened interlocking plate to the door. 1/2″ thick, 1 5/8″ wide, 4″ long. This unique design STOPS cylinder attacks.Includes: Hardened tool steel Cylinder ProtectorAttachment screws for thin & extended cylinderCompatible with the following:Mortise, rim, garage, sectional, panic device, and iron door cylinders.Virtually all rim and mortise cylinders.Ideal for Adams Rite doors

