The M18 Cordless LITHIUM-ION 3/4" High Torque Impact Wrench provides heavy-duty power in a compact size. Built with a Milwaukee 4-pole motor and a powerful impact mechanism, the 2664-22 delivers 525 ft-lbs of torque. A variable speed trigger provides speed control between 0-1900 RPM & 0-2200 IPM. A 3/4" anvil with friction ring provides quick and easy one handed socket changes.