The Makita DTW300 18V LXT brushless 1/2 Inch impact wrench is ideal for engineers and mechanics The impact wrench features a variable speed trigger and an electronic 4 stage impact power selection to suit the application being carried out. The trigger switch has a full speed mode allowing you to change the variable speed to full speed mode. The auto-stop system works both in forward and reverse rotation modes. Features: Electric brake Variable speed control by trigger Forward / reverse rotation LED job light Brushless motor Electronic 4 stage impact power selection Trigger switch with full speed mode: Variable speed mode can be changed to full speed mode simply by pushing a button. Because in full speed mode the trigger travel is shorter , the full speed is reached faster Auto-stop system available both in forward/reverse rotation modes Comes with: 2 x BL1850B 5.0Ah Batteries 1 x DC18RC Charger Impact Socket Canvas Bag Specification: Driving Shank: Square Drive Standard Bolt: M10 M