Pneumatic Hole Puncher Portable Advertising Word Metal Air Punching Gun DIY Tool

Product description Feature: 1.Detachable air inlet, tightly connected to the air pipe. 2.The metal shell is stable and durable, withstands higher power, and resists falling and compression. 3.The comfortable handle and smooth surface make it easier to use. 4.White steel forging, high hardness firing pin, can be hit stainless steel. 5.The firing pin is forged from a special alloy steel material , which is durable and has sharp impact. Specification: Punching capacity: 6mm Unilateral stainless steel: ≤0.1MM Unilateral aluminum plate: <3.0mm Double-sided aluminum plate: <3.0mm Iron plate: <2.0mm Shear strength: 708kg Pressure range: 4-8kgf / cm ^ 2 Product size: 8.8*20*24cm/3.46*7.87*9.44inch Weight: 1.4kg Package List: 1*hole punch.