Delivers 450 ft./lbs. of torque. Compact and lightweight: 8-7/8" in length and weighs 5.2 lb.. M18 Lithium-Ion Technology with Built in Fuel Gauge. Variable speed trigger provides speed control between 0-1900 RPMs and 0-2,200 IPMs. Milwaukee 4 Pole Frameless motor delivers maximum run time This impact wrench has a 1/2" drive anvil with friction ring for quick and easy one handed socket changes. Kit includes (2) XC High Capacity Lithium Ion batteries, charger and case.