Makita DTW181 Brushless LXT Sub Compact Impact Wrench with a 12.7mm (1/2in) square drive. Its brushless motor requires no maintenance and is more efficient, increasing battery run time and performance. The variable speed trigger offers both forward and reverse rotation. It also offers a reverse rotation auto-stop mode. This mode works only with pulling the trigger fully in counter-clockwise rotation. When the bolt/nut gets loosened enough, the tool stops the impact and rotation in 0.2 seconds. Fitted with an ergonomic soft grip for increased comfort and control. Twin LED lights illuminate the workpiece when the trigger is operated. Supplied as a Bare Unit - No Battery or Charger. Specification: Bit Holder: 12.7mm (1/2in) No Load Speed: 0-1,300/0-2,400/min. Impact Rate: 0-2,000/0-3,600/bpm Max. Torque: Fastening 210Nm, Nut Busting 330Nm Capacity: High Tensile Bolt M6-M12, Standard Bolt M8-M16 Weight: 1.2kg