Bosch GDS 18V-1600 HC Impact Wrench with BITURBO Brushless technology, exploits the full potential of the ProCORE18V batteries. So you can conquer even the most challenging tasks. Auto Bolt Release (ABR) mode ensures comfortable handling by avoiding the loss or drop-down of metal bolts or nuts.High versatility in power control is provided by the 3-speed/torque settings allowing adjustments to the respective work requirements. All tool settings can be conveniently adjusted and customised via the Bosch Toolbox App. 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: 3/4in square.No Load Speed: 0-800/0-1,000/0-1,750/min.Impact Rate: 0-1,550/0-2,200/0-2,350/bpm.Max. Torque: 600/1,100/1,600Nm.Max. Breakaway Torque: 2,200Nm.Weight: 3.2kg excl. battery.