"The Milwaukee M18 Cordless High-Torque Impact Wrench provides heavy-duty power in a compact size. Built with a Milwaukee 4-pole motor and a powerful impact mechanism, this impact wrench delivers the high torque your job demands. Max. Torque ft.-lbs. 525, Battery Included Yes 2, Volts 18, Charger Included Yes, Reversible Yes, Case Included Yes, Speed - No Load RPM 0-1,900, Tool Length in. 9, Tool Weight lbs. 6.8, Impacts Per Minute IPM 0-2,200, Drive in. 3/4 hog ring, Cordless Yes. 3/4in. anvil with friction ring provides quick and easy one-handed socket changes"