0.9 HP motor for ultimate stall resistance; Safety lock-off throttle; Rear exhaust keeps work area clean from cuttings; Precision engineered for added reliability; Ergonomic “Softouch” coating offers ultimate comfort and reduced vibration; Spiral machined bevel and pinion gears for smooth operation and durability; Best for: Continuous heavy duty grinding and sanding applications using 2″ and 3″ sanding discs