M12TM FUELTM 1/2 in. The most compact impact wrench available is the Stubby impact wrench. being barely 4.9 inches long. Since it is shorter, this instrument may fit in smaller spaces, increasing productivity for users. By delivering an industry-leading 250 ft-lbs of breakaway torque, increased torque can remove even the hardest-to-remove nuts and fasteners. Unmatched control in a variety of fastening applications is made possible by a 4-Mode drive control. Precision control is possible between 1 and 3 RPM, and the auto-shut off mode in the fourth setting will stop overtightening of bolts while reassembly work is being done.