Chicago Pneumatic Super Industrial Lightweight 1" Drive Heavy Duty Impact Wrench With 6" Extended Anvil • #5 Spline • Max Reverse Torque 1620 Ft-Lb • Free Speed 5000 RPM • Rocking Dog Clutch • High Efficiency 6 Vane Motor • 3 Position Power Settings in Forward and Reverse • Angled Down Exhaust • Ergonomic Handle