Electric Strike, 3/4 In. Semi-Mortise for Rim Devices, 12VAC/DC, Fail Secure, Satin Stainless Steel Semi-mortise rim strike designed for use with Pullman latch rim exit devices. Accommodates 1/2" to 3/4" (13mm-19mm) latch projection. Certified to ANSI/BHMA standard A156. 31, Grade 1, endurance 500, 000 cycles