The Makita DTW300 LXT Brushless Impact Wrench features a variable speed trigger and electronic 4 stage impact power selection. Its 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. For added user safety there is an electric brake while a LED job light provides illumination in darker areas. This Makita wrench is ideal for engineers and mechanics alike. Supplied with: 2 x 18V 5.0Ah Li-ion Batteries, 1 x DC18RC Compact Charger and 1 x MAKPAC Type 2 Connector Case. Specifications: Bit Holder: 1/2in Square. No Load Speed: 0-1, 000/1, 800/2, 600/3, 200/min. Impact Rate: 0-1, 800/0-2, 600/0-3, 400/0-4, 000/bpm. Max. Torque: 330Nm. Nut Busting Torque: 580Nm. Bolt Capacity: Standard: M10-M20, High Tensile: M10-M16. Weight: 1.5kg.