Heat-treated components add durability and ensure long life Patented TwinPawlPlus head design maintains positive pawl engagement and prevents spreading and lock-up for consistent top performance Exclusive two speed power grip ring for convenient power output selection Composite housing maintains a comfortable temperature and low noise levels Lever-style modulated throttle provides precise control Textured, ergonomic grip area fits the palm of your hand 360 degree directionally controlled exhaust keeps air flow away from work area Plenty of power and speed, with 25 ft.-lbs. of maximum torque and 270 rpm