Milwaukee M18 FUEL 1/2in. Mid-torque impact wrench with friction ring delivers best power-to-weight ratio, most access in tight spaces, and faster removal speed. It provides 650 ft/lbs of nut-busting torque and only weighs 5.1 lbs, making it extremely versatile, and capable of performing a wide variety of applications. Its powerstate brushless motor generates power needed to quickly perform many tasks, such as removing large bolts or lug nuts. Tri-leds surround anvil to deliver brighter light with fewer shadows. 4-mode drive control offers greater precision with a range of pre-set rpm and ipm levels, selectable from a single button on tool. By selecting mode 4, auto shut-off control applies no more than 35 ft./lbs. Of torque for hand-tight fastening applications to prevent overtightening. Mode 4 also features bolt removal control that delivers users full torque output, n decreases rpms once bolt is loosened to prevent fastener drops. Redlink plus intelligence ensures maximum performance, protecting tool against overloads, over-heating, and over-discharge. M18 redlithium battery pack (not included) fits m18 tools, delivering more work per charge and more work over life of pack.Milwaukee m18 fuel 3/8in. Compact impact wrench with friction ring is most compact in its class, delivering users most access in tight spaces, up to 250 ft/lbs of nut-busting torque and maximum workspace visibility.