Air Punch & Flange Tool SG0692 Product Information Air Punch & Flange Description Measurement Standards CE Length 255mm Weight 1.9Kg Air Pressure (PSI) 90 Decibel (dBA) 70 Air Hose Size (ID) 3/8" CFM 4 LPM 115 Punch (mm) 5 Capacity Steel 0.8 - 1.4 Ideal for auto body work. Punch holes for riviting and welding or for creating flanges for joining sheet metal.