ARWC38 3/8in Drive Air Impact Wrench Features: Composite Housing TWIN HAMMER mechanism One-hand forward/reverse 3-step forward/reverse Ergonomic handle design Specifications: Bolt capacity – M13 Free speed – 9000rpm Forward torque (3 steps) Nm – 163 / 244 / 450 Forward torque (3 steps) ft/lb – 120 / 180 / 331 Max. reverse torque – 470Nm Max. reverse torque – 346ft/lb Min. hose size – 3/8in Air inlet – 1/4in Air consumption at 100% int. – 128l/min Air consumption at 100% int. – 4.5cfm Length – 161mm Weight – 1.30kg @ 6.2 bar