Ultimate Arms Gear Kensight Rear Sight with Novak LoMount Serrated Fits Springfield Armory, Colt, Wilson Combat, STI, Les Baer, Rock River, Dan Wesson 1911 Punch Tool Package Includes: Kensight 860-678 + Ultimate Arms Gear Pro Disassembly 3/32 Pin Punch Armorers Gunsmith Tool Ultimate Arms Gear 3/32 Punch Armorers Gunsmith Tool Designed to Punch Pins. Features a Polymer Handle and Steel Tip for an Ultra Durable High End Tool. Diameter is 3/32 of an inch or 2.5mm.