The ACDelco Li-ion 18V 1/2 Impact Wrench W/Digital Clutch Kit with 4-pole high torque motor really delivers. It provides: 625 ft-lbs of max. break-away torque; 480 ft-lbs of max. reverse torque; 300 ft-lbs of max. tightening torque, 0-2000 RPM / 0-3000 IPM for faster speed application, variable speed with reversible control, class-leading compact size of 6-3/4-inch from front to back and light weight at only 3.63 lbs. Our wrench includes a durable aluminum gearbox housing with 1/2 friction ring and a built-in LED light for additional visibility. Package includes: two Li-ion 18V 2.0 Ah battery packs, one intelligent charger, and carrying case.