The Makita DTW190 LXT Impact Wrench features an 1/2 inch square drive shank that takes standard impact sockets. Offers forward/reverse rotation with a variable speed control trigger for increased control. The ergonomically designed handle with rubberised soft grip fits your hand perfectly to provide maximum control and comfort. Equipped with Battery protection circuit which is designed to protect the battery from damages due to overdischarge, high temperature or overload current. Comes as a Bare Unit, No Battery or Charger. Specification: Bit Holder: 1/2in Square No Load Speed: 0-2,3000/min. Impacts Per Min: 0-3,000/bpm Max. Torque: 190Nm Capacity: Bolt: Standard M8-M16, High Tensile M8-M12 Weight: 1.7kg