"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. Speed - No Load RPM 4,500, Average Air Consumption CFM 5.4, Inlet Size in. 3/8, Working Torque ft.-lb. 850, Reversible Yes, Impacts Per Minute IPM 800, Hammer Mechanism Twin, Tool Weight lbs. 8.4, Noise Level dB 101.5, Max. Torque ft.-lbs. 1,100, Tool Length in. 9 1/2, Case Included No, CFM at Load 4.5, Operating PSI 90, Drive in. 3/4, Variable Speed 3 Forward, 1 Reverse, Standard Bolt Capacity in. 3/4, Min. Hose Size in. 3/8. Lightweight and durable composite housing Cold forged striking hammer increases torque and extends tool life"