M18 Fuel 1/2 In. Compact Impact Wrench With Pin Detent KitThe M18 FUEL 1 2 IN. Compact Impact Wrench w Pin Detent Kit is the most compact in its class, delivering The users more power, the most access in tight spaces at only 4. 9 IN. in length, and maximum workspace visibility. The cordless impact wrench features a POWERSTATE Brushless motor that generates up to 250 ft lbs of fastening and nut busting torque, providing The users with the power required for installation and removal, even in confined spaces.