M18 fuel, 1 or 2" high torque impact wrench with friction ring kit, superior performance delivers up to 700' or lb. of maximum fastening torque, up to 1,100' or lb. of nut Busting torque and up to 2 times more runtime, Powerstate Brushless motor, Red link Plus intelligence allows the operator to choose between 2 fastening modes, mode 1 delivers up to 100' or lb. of maximum fastening torque and mode 2 up to 700' or lb. maximum fastening torque, Red Lithium XC 5.0 battery pack provides superior pack construction, 1 or 2" anvil with friction ring for fast and easy socket changes, includes two M18 Red Lithium XC 5.0 extended capacity battery, M18 and M12 multi-voltage charger and carrying case.