Lay to rest the tiresome wet-stone for the practicality of the Drill Doctor DD750X. It is unique in all that it accomplishes; namely, the 750X provides an economic approach to drill bit sharpening. Save wasted time and productivity with the cumbersome loss of a drill bit on a jobsite, because the 750X is a contractor and maintenance shop miracle. It sharpens bits with a simple and easily learned technique. The 750X operates on a 15,000 RPM motor, and works on high-speed steel, black oxide, masonry, tin coated, cobalt, and carbide. Amazingly, there is even the added benefit of knowing that Drill Doctor created a tool that not only works extremely well, but requires little learning. The cost in expensive replacement bits alone offers a complete return investment on the initial cost of the unit, as well as any additional grinding wheels. So if you're in the market for exceptional savings of both cost and time, then the Drill Doctor 750X -- DD750X drill bit sharpener is exactly what you need.