The HiKOKI WH18DBDL2 Impact Driver has a high-power brushless motor and a triple hammer mechanism with three anvils for higher power and extended life. A 4-step tightening mode selector function (Soft, Normal, Power, Self-Drilling) is also incorporated for maximum job versatility. IP56 rated for dust resistance and waterproofing. Fitted with a soft grip handle for maximum control and comfort. Driver bit not included. Supplied as a Bare Unit, No Battery or Charger. Specification: No Load Speed: 0-2,900/min. Impact Rate: 0-4000/bpm Max. Torque: 207Nm Capacity: Screw 4-10mm, Bolt M5-M18, HT Bolt M5-M14, Self-drilling Screw Ø3.5-6 Weight: 1.6kg