The HiKOKI WR36DA Brushless Impact Wrench has a high overload capacity with a 4-mode power selection. The forward/reverse switch provides increased control, making it easy to switch between modes. The compact design is IP56 rated against dust and water ingress, making it ideal for site use. The body features a soft grip handle for increased comfort and reduced user fatigue. There is also a rubber nose protector. For added safety there is an electric brake. Other features include: a 3-mode LED work light (always on, automatic and always off), and a large side hook that can be fitted on the left or right hand side. WR36DA/JRZ: 2 x 18/36V 5.0/2.5Ah Li-ion BatteriesWR36DA/J4Z: Bare Unit, No Battery or Charger Specification: Bit Holder: 19mm (3/4in) Square Friction RingNo Load Speed: 0-1,500/min.Impact Rate: 0-2,900/bpmMax. Torque: 1,100NmBolt Capacity: Ordinary: M12-30, HT: M10-24Overall Length: 221mmWeight: 2.3kgThe HiKOKI WR36DA/JRZ Brushless Impact Wrench is supplied with: 2 x 18/36V 5.0/2.5Ah Li-ion Batteries*1 x UC18YSL3 Charger1 x Case *Multi Volt batteries for high power output similar to mains powered tools. Batteries are compatible with existing Hitachi/HiKOKI 18V tools.