The Makita TW004GD203 is ideal for mechanics, construction workers and general trades people The impact wrench features an electronic 4 stage (soft/medium/hard/max) impact power to allow a tightening suitable to the application at hand. The variable speed control trigger further allows you to control your work. This can be overwritten by activating the wrenches full speed mode, in this mode the trigger travel is shorter allowing you to reach full speed faster. Features: Electric brake Variable speed control by trigger Constant speed control Forward / reverse rotation LED job light Brushless motor Ergonomic soft grip Compact & Lightweight Electronic 4 stage impact power selection Auto-stop system available both in forward/reverse rotation modes 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 Comes with: 2 x BL4025 XGT 2.5Ah 40V Max Li-ion Battery DC40RA Fast Charger ADP10 XGT to LXT Charger Adaptor Belt Clip Makpac Type 2 Case Specification: Brushless Motor: Yes Drive: Square Voltage: 40Vmax Driving Shank: ½” Square Drive (C-ring) Standard Bolt: M10 -M20 High Strength Bolt: M10 -M16 Impact Power Selection: Max, Hi, Med, Soft Impacts per Minute: 0 - 4,000/3,400/2,600/1,800 ipm No Load Speed: 0 - 3,200/ 2,600/ 1,800/ 1,000rpm Max Fastening Torque: 350Nm Nut Busting Torque: 630Nm Net Weight: 1.9 - 2.2kg Vibration: 16.5 m/s² Vibration K Factor: 1.5m/s² Sound Pressure Level: 99 dB(A) Sound Power Level: 110 dB(A) Sound K Factor: 3 dB(A)