The Milwaukee M18 FUEL 3/8 In. Mid-Torque Impact Wrench w/Friction Ring offers the most access in tight spaces and a faster removal speed. POWERSTATE Brushless Motor provides 600 Ft./Lb. of nut-busting torque while weighing less than high torque impact wrenches. 4-Mode Drive Control provides greater control over output speed and power. Includes auto shut-off and bolt-removal mode. Tri-LEDs deliver high definition lighting to increase workspace visibility with less shadow. Auto Shut-Off control applies no more than 35 Ft./Lb. of torque for hand-tight fastening applications to prevent overtightening. REDLINK PLUS Intelligence ensures maximum performance and protects from overloads， heating and over-discharge. Removes rusted bolts and lug nuts quickly for increased productivity. Compatible with all M18 batteries (not included) and chargers. Tool Only - battery and charger not included.