Features and Benefits: * Powerful motor delivers 0.33 HP 20,000 rpm free speed * Durable ball-bearing construction improves balance, reduces vibration, and ensures a longer life * Lightweight, ergonomic composite housing prevents "freezing" and offers greater operator comfort * Rear exhaust directs air away from the operator * Tool comes with 1/4" and 6 mm collets and two wrenches New and improved. For ultimate performance, the 302B is the perfect choice. This powerful grinder features a composite grip for superior ergonomics and comfort, and can be used in various applications including porting, weld breaking, de-burring, polishing and grinding.