Diamond Sharpening Stones is a Abrasive Honing Stones have man made diamonds bonded to a hard, rustles surface which provides an abrasive surface that is harder than any other material - Diamond Stones are very sharp and capable of lasting almost indefinitely. Use Diamond Stones to sharpen or lap almost anything, from tool steel to carbides to glass and ceramics (including ceramic stones). Whenever practical, wetting the stones with water or light oil will virtually eliminate clogging while you sharpen,but they can be used dry as well. 
One of the most common arguments for using diamond sharpening plates is that they are flat and do not become hollowed out during their working lives. The first point is only partly true, as the flatness of the plates depends a great deal on the quality of, and the method used to manufacture the plate. But it is true that they do not become hollow in use, like other kinds of sharpening stones do.
 

Special Diamond Tool

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