Electric Strike For Use With Cylindrical Locksets Performance Heavy-Duty Failure Mode Fail Safe or Fail Secure Input Voltage 12 or 24V AC/DC Door Frame Type Hollow Metal Faceplate Width 1 1/4 in Faceplate Height 4 7/8 in Faceplate Depth 1 11/16 in Pull Force 1 500 lb Grade 1 Fire Rated 3 hr Finish Satin Stainless Steel Material Stainless Steel Bolt Throw Up to 3/4 in Strikes 500 000 Cycles Features Horizontally Adjustable