The Makita TW001GD 40v XGT 3/4in square drive Impact Wrench is a powerful but compact tool Lightweight and easy to handle, this wrench has four-stage impact power selection and trigger-operated speed control. This speed control can be switched automatically to its maximum speed with a simple push of the button, and top speed can be reached rapidly thanks to the shorter trigger travel in full speed mode. It operates in both forward and reverse rotations, with an Auto-stop system available in both modes. In addition, an incorporated LED job light ensures the user\'s work is always clearly illuminated. Features: Electric brake Variable speed control by trigger 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 Comes with: 2 x BL4025 2.5Ah batteries 1 x charger  1 x ADP10 adaptor Type 3 connector case Specification: Blows per Minute (Max) - ipm: 0 - 2500 ipm Nut Busting Torque: 2,050 Nm Battery Type: Lithium-ion Voltage: 40V Driving Shank: 3/4\" Square (C-ring) Blows per Minute (Hi) - ipm: 0 - 2400 ipm Blows per Minute (Med) - ipm: 0 - 2200 ipm Blows per Minute (Lo) - ipm: 0 - 1900 ipm Standard Bolt: M12-M36 High Tensile Bolt: M10-M27 Noise sound pressure: 100 dB(A) Noise sound power: 111 dB(A) Noise K factor: 3 dB(A) No Load Speed (hard/med/soft): 0 - 1,800/ 1,400/ 1,150/ 950 rpm Max Fastening Torque: 1,800 Nm Vibration: Fastening Bolt: 18.5 m/sec² Vibration K factor: 2.0 m/sec² Net weight: 3.9 - 4.2 kg