Active feedback sensing Technology (AFT automatically shuts down the tool if there is a sudden drop in rotation speed (e.g. kick-back). eXtreme Protection Technology (XPT) offers maximum protection against dust, debris and liquids for optimal performance in extreme conditions. Brushless DC motor with high power to weight and size ratio and generates less heat buildup and is ideal for prolonged use in manufacturing/production applications. Includes: Tool only. Batteries and charger sold separately. 5" depressed center wheel, wheel cover, side handle, lock nut wrench 28, inner flange, lock nut 5/8"-45.