This is a solid brass door reinforcer in bright brass finish. This helps prevent a forced entry. Typically used on wood or metal doors that are 1-3/4in. thick with mortise or drive-in latches. Accommodates key-in knob locksets or deadbolts, or combination locksets. It features one 2-1/8 in. bore with a 2-3/4in. backset. Color: Metallics.