Ingersoll-Rand 409 Air Die Grinder Power: The 0.5 HP 4-vane motor delivers the power you need to tackle many applications from smoothing and polishing to deburring, and its front exhaust helps keep your work surfaces clean Durability: The durable aluminum housing protects the 409 Air Die Grinder in tough conditions Value: The 409 Air Die Grinder delivers the power you need at a cost you can afford, making it a staple in any well-rounded tool box Free speed - 27,000 RPM One year warranty