With a length of under 5.1", the M12 FUEL 1/4" Stubby Impact Wrench is the most compact impact wrench available in the market and allows users to work more efficiently in confined spaces. A 100 ft-lbs increase in torque is an industry first. even the most resistant nuts and fasteners with a burst of breakaway torque. Unmatched control in a variety of fastening applications is made possible by the 4-Mode Drive Control. Precision control is possible between 1-3 RPM, and the fourth option of Auto-Shut Off Mode will stop overtightening of bolts while doing reassembly operations.