The Bosch GDS18V-740 18 V PROFACTOR 1/2 in impact wrench with friction ring is designed for breaking free and driving large bolts, nuts and anchors quickly. It is part of the PROFACTOR system, which pairs BITURBO Brushless Technology with a CORE18V PROFACTOR battery. BITURBO Brushless Technology is a high-performance motor and drive-train system designed to deliver power comparable to high-demand corded tools. The tool delivers up to 740 ft-lb fastening torque and 1180 ft-lb breakaway torque, while maintaining long runtime. It offers controlled power output, with three-speed/torque settings (0 to 800/1200/1750 rpm). The wrench features a rubber head casing that protects workpiece and tool from damage. This is a bare tool, battery and charger are sold separately.PROFACTOR performance – delivers high torque for breaking free stuck bolts and driving large fasteners quicklyBITURBO brushless technology – featuring a brushless high-performance motor and drive train system engineered to take full advantage of the additional power generated by CORE18V PROFACTOR batteriesFriction ring allows for fast socket changesOnboard user interface – provides speed setting control, tool-status feedback and LED light controlErgonomically designed grip – features soft grip for comfort and a better handlingLED light illuminates dark work areas, turns on with tool activation, can be disabled via user interfaceProtective head casing – helps protect against workpiece and tool damage