Electric Strike, For Use With Mortise/Cylindrical Locksets, Performance Heavy-Duty, Failure Mode Fail Secure, Input Voltage 24 V AC/DC, Door Frame Type Hollow Metal/Aluminum, Faceplate Width 1 1/4 in, Faceplate Height 4 7/8 in, Faceplate Depth 1/8 in, Pull Force 1,500 lb, Grade 1, Fire Rated Yes, Finish Stainless Steel, Material Stainless Steel, Bolt Throw 3/4 in, Strikes 250,000 Cycles, Features Adjustable Strike Box, Dual Monitor Switch, Standards ANSI 156.5 Grade 1, UL 1034