Ultimate Arms Gear AmeriGlo GF-403R Glock 17-41 (requires taller front) i-Dot Green Fiber Rod i-Dot REAR Sight 3/32 Punch Tool Package Includes: AmeriGlo GF-403R + Ultimate Arms Gear 3/32 Disassembly Pin Punch Armorers Gunsmith Tool Ultimate Arms Gear Pro Disassembly 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.