Compact And Lightweight Design. 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. Brushless DC motor generates less heat buildup and is ideal for prolonged use in manufacturing/production applications. Battery protection system provides over-discharge, temperature and circuit protection for enhanced performance, battery cycle life and overall battery life. 21 clutch settings deliver up to 50Nm. of torque. All metal gears and gear housing for more efficient power transmission. Ultra-compact design. Dual LED job lights with pre glow and afterglow features. Improved ergonomic soft rubber grip design for vibration absorption and comfortable operation features re-contoured rear grip portion and ribbed grip for improved hold.