ARWM38 3/8in Drive Air Impact Wrench Features: Aluminium 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 – 115 / 285 / 465 Forward torque (3 steps) ft/lb – 85 / 210 / 342 Max. reverse torque – 490Nm Max. reverse torque – 361ft/lb Min. hose size – 3/8in Air inlet – 1/4in Air consumption at 100% int. – 105l/min Air consumption at 100% int. 3.7cfm Length – 159mm Weight – 1.50kg @ 6.2 bar