Adams Rite 74R1 series clear anodized zinc-aluminum alloy ultraline electric strikes for aluminum, wood or hollow steel jambs - rim exit devices. Case measures 1-inches by 3-3/8-inches by 1-1/16-inches deep. Strike opening measures 5/8-inches by 1-7/16-inches by 9/16-inches deep. Bolt retainer jaw is made of stainless steel. Strike accepts pullman bolt of exit devices without deadlocking bolts. Mounting plate/housing measures 1-3/4-inches by 9-inches by 1 1/16-inches deep. Made of zinc/aluminum alloy. Standard finish in Ritecoat epoxy to match finish. Function: A semi-mortised strike for rim exit devices having 3/4-inches pullman type bolts without auxiliary bolts. Provides electrical remote control allowing door to open without actuation of the exit device. ANSI/BHMA type E09321 (grade 1). Intertek listed for burglary resistance (UL1034). 12 volts AC/VDC or 24 volts AC/VDC voltage.