"The Klutch 3/4in. Air Impact Wrench delivers the power, performance and torque to tackle just about any jobs you encounter. A combination of 1100 ft.-lbs. of torque and 800 BPM work together to remove lug nuts, loosen stubborn and rusted nuts and bolts, remove crank pulley bolts and more. Cold forged striking hammer increases torque output and extends tool's life. The Klutch Impact Wrench also features a composite housing for lighter weight and long-term durability. Reversible Yes, Hammer Mechanism Twin, Drive in. 3/4, Variable Speed 3 Forward, 1 Reverse, Standard Bolt Capacity in. 3/4, Operating PSI 90, Speed - No Load RPM 4,500, Average Air Consumption CFM 5.4, Min. Hose Size in. 3/8, Inlet Size in. 3/8, Working Torque ft.-lb. 850, Impacts Per Minute IPM 800, Tool Weight lbs. 8.4, Noise Level dB 101.5, Tool Length in. 9 1/2, Case Included No, CFM at Load 4.5, Max. Torque ft.-lbs. 1,100. Lightweight and durable composite housing Cold forged striking hammer increases torque and extends tool life"