Bosch GDS 18V-1050 HC Pro 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. Two default modes on the user interface, metal mode (A) and wood mode (B) , to avoid broken screwheads and the loss of metal bolts or nuts, by slowing down or shutting off the impact wrench. Each mode is customisable via the Bosch Toolbox App. For added flexibility and control, this cordless impact wrench is equipped with three different speed/torque settings. Electronic Motor Protection prevents overload and ensures a longer tool lifetime. Overload, overheating, and deep discharge are prevented by the drill drivers Electronic Cell Protection. Ideal for tightening and removing metal bolts and nuts up to M24 on a variety of jobs like structural steel construction, pipe fitting, vehicle maintenance, or when using screws/lag bolts in wood construction. Comes as a Bare Unit, NO battery or charger in a cardboard box. Compatible with all Bosch Professional 18V batteries, including ProCORE18V batteries and chargers (Professional 18V System) For maximum power use ProCORE18V ≥ 5.5 Ah (NOT SUPPLIED) Also compatible with AMPShare, the multi-brand battery alliance. Specifications: Tool Holder: 3/4in square. No Load Speed: 0-800/0-1, 300/0-1, 700/min. Impact Rate: 0-1, 600/0-2, 300/0-2, 600/bpm. Max. Torque: 350/650/1, 050Nm. Max. Breakaway Torque: 1, 700Nm. Bolt Size: M14 - M24. Weight: 2.9kg excl. battery.