Home Depot: Milwaukee M18 FUEL GEN-3 18V Lithium-Ion Brushless Cordless 1/2 in. Compact Impact Wrench With FREE 5ah Battery

4.9 in. L provides most access in tight spaces
POWERSTATE brushless motor delivers up to 250 ft./lbs. of nut-busting torque
Tri-LEDs deliver high definition lighting to increase workspace visibility with less shadows
4-mode drive control provides greater control over output speed and power, includes auto shut-off and bolt-removal mode
Auto shut-off mode prevents over tightening and increases productivity by applying no more than 20 ft./lbs. of torque
Bolt-removal mode offers more control after bolt breakaway as RPMs drastically slow down once the bolt is loosened