The Makita DTW181 sub-compact 1/2" impact wrench has been designed to give the handling and ease of use of a 10.8/12v machine, whilst having the power and compatibility of the extensive 18V Makita range. This machine is designed for mechanics, plumbers and tradesmen in need of versatility in the work place. The reverse rotation mode means that when the bolt/nut gets loosened enough the tools stops impacting and the rotation also stops. The brushless motor means extended runtime, reliability and extended tool lifetime. Supplied as a bare unit / naked machine, batteries and charger available separately. Features and Benefits: Electric brake Variable speed control by trigger Forward / reverse rotation LED job light Brushless motor Ergonomic soft grip Reverse rotation auto .