Ultimate Arms Gear Pro Disassembly 3/32 Punch Armorers Gunsmith Tool For All Glock Pistol Handguns Guns Designed to Remove Pins in Glock Handguns and will Fit all Glock Models. Diameter is 3/32 of an inch or 2.5mm. Features a Polymer Handle and Steel Tip for an Ultra Durable High End Tool. Small and Compact with Enough Size and Strength to do all that is Needed in Taking a Glock Apart and Putting It Together. Black Finish.