The Bosch PROFACTOR 18V 1/2" Impact Wrench with Friction Ring, No. GDS18V-740, is designed for breaking free and driving large bolts, nuts, and anchors quickly. It's part of the PROFACTOR System, which pairs BITURBO brushless technology, a high-performance motor and drivetrain system, with a CORE18V PROFACTOR battery. The tool delivers up to 740 ft-lbs fastening torque and 1,180 ft-lbs breakaway torque, while maintaining long runtime. It offers controlled power output with three speed/torque settings (0-800/1,200/1,750 rpm). The wrench features a rubber head casing that protects workpiece and tool from damage. Battery and charger are sold separately.