mfr: KWIKSET K2 COMMERICAL RIM EXIT DEVICE Grade 1 standard duty rim exit device For apartment complex, retail or small office Tested to exceed 500,000 cycles for grade 1 Field sizeable; 36" device adjustable to 32" Thru-bolted design for increased security Non-handed for doors 1-3/4" thick Stainless steel latchbolt with 3/4" throw Wood and machine screw standard QED311 689 AL RIM DEVICE FUNCTION:Rim-Hex Dogging FINISH:689 Aluminum