1、LOW NOISE OPERATION: This rivet nut gun operates with low noise, defending you and other people from noise. 2、OIL ADDING HOLE: When the stroke becomes short, inject hydraulic oil with the needle cylinder without disassembling the cylinder. More convenient to use. 3、TOUCH SWITCH: Adopting the principle of human body mechanics, the operation is fast and easy, labor saving and worry saving. 4、UNIVERSAL JOINT: 360° rotation design is adopted, which is not hindered by the pipe, and the work is more convenient. 5、IDEAL REPLACEMENT: This rivet nut gun set is an ideal replacement for the old and damaged parts for better work. 1 x Pneumatic Rivet Nut Gun ( With M8 Accessory)10 x Other Gun Head Accessory 6 x Gun Head Storage Box 2 x Wrench 1 x L Wrench 1 x Accessory 1 x Cleaning Oil 1 x Oil Lubricator1 x Manual  Item Type: Pneumatic Rivet Nut GunMaterial: AlloyWorking Range: M3 to M10 (rivet nuts of all material types)Working Air Pressure: 0.5 to 0.7 МpaRated Pressure: 5.5barRiveting Stroke: Approx. 7mm / 0.28inMotor Rotation Speed: Greater than or equal to 2800RPMWorking Tension: 21000N to 29400NNoise Less Than: 75dBInlet Port: 1/4 in