New Life Products 33-652B1 1-3/4-Inch Thick by 2-3/4-Inch Backset 2-1/8-Inch Bore Door Reinforcer, Brass Height 9" Replacement For Prime-Line Door Reinforcer U 9588 Accommodates key-in-knob locksets or deadbolts Works on wood or metal doors Assists in preventing forced entry For 2-3/4in. backset and 1-3/4in. door thickness Easy to install