Features: High quality pneumatic riveting gun, stable and superior performance. Anti-slip handle with ergonomic design that make it easier to operate, comfortable to hold. This automatic air rivet gun will make those riveting projects a breeze and save your hands from tiring out. Suitable for all kinds of metal plate, pipe and other manufacturing industry riveting, wide application range. All parts are neatly packed in a storage case, convenient to carry and use. Specification: Material: Metal Weight: 4900g/172.8oz Working Range: A3-A12 Air Source Pressure: 5-7 Bar Rated Pressure: 5.5bar Riveting Stroke: 7mm Motor Speed: 3500rpm Working Tension: ≥ 4300ibf Noise Less Than: < 75dp Inlet Port: 1/4" Riveting Gun Size: As pictures shown Package Size: 340*355*150mm/13.4*14*5.9inch Package List: 1 x Pneumatic Riveting Gun with M6 Nut Gun Head 6 x Nut Gun Head (A3 / A4 / A5 / A8 / A10 / A12) 3 x Hex Wrench (12 / 14 / 17 / 19 / 21mm) Note: Pneumatic riveting nut gun uses compressed air, the best pressure is 5.5 Bar. We recommend adding filters and pressure-regulating valves and self-lubricating filters on the main supply pipe. The above equipment shall be installed within 3 meters from the riveted nut gun, the maximum effective pressure system produced in the tracheal tube is 150% or 10 Bar, the trachea should be oil-resistant, outer wear-resistant, all the minimum diameter of the trachea should be 6.4 mm or 1/ 4 inches. .