The Bosch GDS 18V-210 C Impact Wrench delivers powerful performance while preventing damage to materials. It has two default modes: selftapping screw, and wood screw. For more control and less broken/stripped off screwheads, worn-out threads, and damaged workpieces by slowing down or shutting off the impact driver. Each mode is customisable via the Bosch Toolbox App. Three speed/torque settings ensure impressive control, and greater flexibility on the job. The Wrench comes with a GCY42 Bluetooth® Tool Module, this allows the user to connect to the Bosch Toolbox App. Bare Unit (NO Battery or Charger supplied) in a L-BOXX Carry Case. Specifcation: Bit Holder: 1/2in Square. No Load Speed: 0-2,300/0-3,400/min. Impacts Per Min.: 0-2,200/0-3,300/0-4,100/bpm. Torque Stages: 90/160/210Nm. Max. Breakaway Torque: 370Nm. Screw Diameter: M6 – M16. Vibration emission value ah: 11.2 m/s² Sound pressure level: 98.5 dB(A) Weight: 1.1kg (without battery).