Electric Strike For Use With Mortise/Cylindrical Locksets Performance Heavy-Duty Failure Mode Fail Safe or Fail Secure Input Voltage 12/24 V AC/DC Door Frame Type Metal/Wood Pull Force 1 500 lb Grade 1 Fire Rated No Finish Stainless Steel Material Stainless Steel Bolt Throw 3/4 in Strikes 500 000 Cycles Standards ANSI/BHMA A156.34 UL 1034 Includes Mounting Hardware