This UHPPOTE ANSI Standard Heavy Duty Stainless Steel Finish Electric Strike Door Lock is perfect for access control cylindrical locksets. It has a field-selectable fail-safe or fail-secure operation and a jaw strength of 2,200-lb (1000kg) that has been tested to 500,000 cycles. Complete mounting hardware is included and the screw terminals make wiring easy. This electric door strike can be used to convert cylindrical lock sets into an electronic access controlled locking system. Before placing your order, please check the size of your door's frame to avoid wrong purchase.