Heavy Duty Protection For Knobs

The knob lock guard is designed to protect cylindrical latch key-in-knob locks against pipe wrench and beating attacks. The base plate measures 3-1/2” square and will accommodate locks with rose diameters up to 2-11/16 inches, guard projection is 3 inches. Four 1/4” carriage bolts are supplied for mounting on doors up to 1-3/4 inch thick. Best results are obtained when installing on a knob that is typically turned by using a key. Lock not included. Exterior grade silver powercoat.