Prime-Line Products U 9560 Non-Recessed, 1-3/4-Inch Thick by 2-3/8-Inch Backset Door Reinforcer Combo with 2-1/8-Inch Bore, Brass Helps prevent break-ins Use on wood or metal doors with mortise or drive-in latches Accommodates key-in-knob locksets and deadbolts or combination locksets Double hole application For 2-3/8in. backset and 1-3/4in. door thickness Verify dimensions against line drawing image before ordering