This single cylinder deadlock is constructed of diecast and it comes in a white painted finish. It features a jimmy-resistant design which prohibits forced entry when attempts are made to spread the door away from the frame. This is a surface-mounted, cross-bolt locking device which can be mounted to 1-3/8 in. to 2-3/8 in. thick, wood or metal doors. This door lock includes an angled strike, a rim cylinder, 2 keys, a cylinder trim ring, fasteners, a mounting plate, instructions and a tamper-resistant shutter guard. This lock requires a 1-1/4 in. hole and uses Kwikset keyway. it is keyed differently, but it is also available keyed alike via special order from manufacturer. See Prime-Line's model number U 9973 for a double cylinder deadlock, or model number U 9970 for the single cylinder deadlock in a brass painted finish. Single cylinder deadlock is also available in satin nickel finish; model number U 10817. Be sure to view the manufacturer’s How-To Installation Video also linked to this page, in the upper left hand corner.