The New Revolution Series Straight Die Grinder features a powerful 0.33 hp (0.25 kW) to 0.40 hp (0.30 kW) motor that delivers plenty of strength in speeds from 25,000 rpm to 35,000 rpm. Offering the torque and muscle required for a wide range of applications ranging from automotive to assembly to shipbuilding. Weighing less than 1 lb. (0.45 kg), the Revolution Series Straight Die Grinders require minimal effort and provide maximum operator comfort.