ACDelco ARI1268-3 Li-ion 12V 3/8" Impact Wrenc 4-pole high torque motor delivers: 183 ft-lbs reverse torque; 118 ft-lbs tightening torque Rubber boots protect tools from exterior damage 0-2300 RPM / 0-3000 IPM for faster speed applications Variable speed with reversible control and electric brake switch Package includes: 2 x Li-ion 12V Battery Packs, 1 x Quick Charger, and Carrying Case