For ultimate performance, the 302B die grinder is the perfect choice This powerful angle die 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 Powerful motor delivers 0.33 HP (0.25 kW) and 20,000 rpm free speed Durable ball-bearing construction improves balance, reduces vibration, and ensures a longer life Built-in lubricating wick increases angle gear life Lightweight, durable, ergonomic composite housing protects tool from cold air and offers greater operator comfort Integral safety-lock throttle lever prevents accidental start up Rear exhaust directs air away from the operator Tool comes with 1/4 and 6 mm collets and two wrenches