This UHPPOTE ANSI Standard Heavy Duty Electric Door Strike Lock is perfect for access control cylindrical locksets. It is field-selectable for fail-safe or fail-secure operation and has a jaw strength of 2,200-lb (1000kg) and is 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. Please check the size of the door's frame before placing an order to avoid wrong purchase.