The HiKOKI WH36DB Multi-Volt Impact Driver has a 4-mode speed selection that covers a wide variety of jobs: SM (Soft Mode) for delicate work; NM (Normal Mode); PM (Power Mode) for heavy work; SEM for self-drilling screws. The forward/reverse switch provides increased control, making it easy to switch between modes. A triple hammer mechanism, 3 anvils, provides higher power and extended life. 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. Specification: Bit Holder: 6.35mm (1/4in) No Load Speed: 0-900/0-2,900/min. Impact Rate: 0-2,000/0-4,100/0-2,200/bpm Max. Torque: 210Nm Overall Length: 127mm Bare Weight: 0.9kg The HiKOKI WH36DB/J4Z Multi-Volt Impact Driver is supplied as a bare unit. Batteries are NOT included.