Ultimate Arms Gear AmeriGlo GL-121R Glock 20,21,29,30,31,32,36,40,41 Tritium Rear Sight Yellow Two Dot .272" H .150" Notch 3/32 Punch Tool Package Includes: AmeriGlo GL-121R + 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.