Features: High quality pneumatic riveting gun, stable and superior performance. Self-locking design, fast change of gun head, easy operation. Anti-slip handle with ergonomic design that make it easier to operate, comfortable to hold. This handy 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. Specification: Material: Metal Working pressure: 6.2KG / CM² (90PSI) Inlet port: 1/4 Turn: positive and negative turn Size: 205*185mm/8.1*7.3inch Rivet A bility Free Speed Weight KP-73 9A M6/M8 600rpm 1 430 g/ 50.4 oz KP-7 40A M8/M10 40 0rpm 1 440 g/ 50.8 oz Package List: 1 x Pneumatic Riveting gun 1 x M8 Nut Chuck 1 x M6 Nut Chuck 1 x 1/4" Inlet Connection 1 x Hook .