Chicago Pneumatic 1" Drive Heavy Duty Impact Wrench With 6" Extended Anvil • #5 Spline • Free Speed 5160 RPM • Working Torque 370-1475 Ft-Lb • Max Torque 1920 Ft-Lb • Weight 22.2 Lbs • Pinless Closed Reinforced Rocking Dog Impact Mechanism • Ergonomic Side Handle • Integrated Protective Cover on the Clutch Housing • Full Teasing Trigger • Regulator With Integrated Forward / Reverse With 3 Position Power Settings in Both Directions