AmeriGlo SG-446 Spartan Operator 3 Dot Night Sight SIG#8 + Punch Tool Package Includes: AmeriGlo SG-446 + 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.