Our ACDelco 18V 3/8-inch Impact Wrench features a 4-pole motor that delivers 400 ft-lbs of max. break-away torque, 300 ft-lbs of max. reverse torque, and 190 ft-lbs of max. tightening torque. It provides variable speeds of 0-2,000 RPM and 0-3,000 IPM (Impact Per Minute) high power designed for faster speed applications. Our impact wrench also features a durable metal gearbox housing, on-board battery life indicator, variable speed with reversible control and electric brake switch, and a built-in LED light for convenient illumination during work. Our charger utilizes a patented Air-Forced technology which forces air through the battery to cool it while charging it, allowing for faster charging times. Package includes: two Li-ion 18V 2.0 Ah battery packs, one 30 minute intelligent charger, and carrying case.