Bosch GDS 18V-1000 Professional Impact Wrench with BITURBO brushless technology, exploits the full potential of the ProCORE18V batteries. So you can conquer even the most challenging tasks. The perfect choice for enormously fast work progress. Electronic Motor Protection prevents overload and ensures a longer tool lifetime. Overload, overheating, and deep discharge are prevented by the drill driver's Electronic Cell Protection. This impact wrench is ideally suited to metal applications with machine screws from M10 to M24 like structural steel construction, metal assembly, pipe fitting, and for truck maintenance as well as for wood construction Compatible with all Bosch Professional 18V batteries, including ProCORE18V batteries and chargers (Professional 18V System). Also compatible with AMPShare, the multi-brand battery alliance. Specifications: Tool Holder: 1/2in square.No Load Speed: 0-800/0-1,000/0-1,750/min.Impact Rate: 0-1,600/0-2,400/0-2,600/bpm.Max. Torque: 350/700/1,000Nm.Max. Breakaway Torque: 1,600Nm.Bolt Size: M14 - M24.Weight: 2.9kg excl. battery.