M18 FUEL 1/2 In. (inch) high torque impact wrench with friction ring kit features a powerful cordless wrench, delivering up to 700 Ft./Lb. (feet per pound) of maximum fastening torque, 1100 Ft./Lb. nut-busting torque and up to 2 times more run time. POWERSTATE brushless motor delivers constant power output and runs cooler with no wearable components. REDLINK PLUS Intelligence allows operator to choose between 2 fastening modes with DRIVE CONTROL feature. Mode 1 delivers up to 100 Ft./Lb. of maximum fastening torque, and Mode 2 up to 700 Ft./Lb. maximum fastening torque. 1/2 In. anvil with friction ring for fast, easy socket changes. Contoured soft grip offers comfort during extended use. Includes (2) M18 REDLITHIUM XC 4.0 extended capacity battery pack 48-11-1840, (1) M18 & M12 multi-voltage charger (48-59-1812), carrying case.