The governed turbine of Air Turbine Tools® prevents your tool from slowing down in corners or hard material with power ranging from 0.15 – 0.55 HP (0.11 – 0.41 kW) and speeds of 25,000 to 90,000 RPM. The high peripheral speed has improved cutting, cleaner finished surfaces and longer cutting tool life. Great for polishing, finishing, part cleaning, engraving, routing, tool & die, weld and flash removal.