Hikoki WR18DHW2Z 18V/36V BL MultiVolt 345/600Nm Impact Wrench Bare Unit The Hikoki WR18DHW2Z 18V 345/600Nm Impact Wrench offers best-in-class tightening and loosening performance. With a compact head and comfortable handle, this impact wrench is perfect for prolonged use in difficult or tight spaces. Its Auto Stop Mode prevents screws from being overtightened, and the Reverse Rotation Auto Slow Function prevents nuts from dropping by automatically stopping at a set time. The tool is rated IP56 for resistance to both dust and water. Its brushless motor means the tool enjoys a longer working life, better power control, and less maintenance. Brushless motor delivers longer runtimes, less maintenance and better power control Best in Class Tightening Loosening Performance Auto Stop Modes Prevent Over-tightening Reverse Rotation Auto-Slow Function to Suppress the Dropping of Nuts IP56 Dust and Water Resistant Bare Unit - Not Battery or Charger Supplied Tool recording1/2 " Height (mm)249 Length (mm)144 Weight (kg)1.3 Battery voltage 18v Max. tightening torque 345nm Max. tightening loosening torque 600nm Motor Type - Brushless Speed unloaded high (min.)0-2,800 Speed unloaded low (min.)0 - 1.200 Number of strokes loaded high (min.)0-4,000 Number of strokes loaded low (min.)0-1,600 Capacity of hard bolt (mm)M10-M16 Capacity standard bolt (mm)M10-M20