Our new Jamb Jacket is to be used with a cylindrical lock or lever with a deadbolt mounted above. The double strike model has the strike plates mounted with a 5-1/2 inch center to center spacing. It is designed for a 1-3/4” jamb and is mounted with 10 #10 screws 2-1/2” long. The Jamb Jacket is made from sheet metal approximately 1/16 inches thick and finished in White Powdercoat.