DMT 6in (152.4mm) Diamond Whetstone - Extra Coarse

Featuring the signature polka-dot pattern innovated by DMT¬; Diamond Whetstone» sharpeners are often imitated in appearance; but never equalled in quality or performance. The interrupted surface of tiny wells trap metal debris to ensure clean; continuous edge contact while the superior diamond does its work. For the quickest; cleanest sharpening; there truly is no substitute. Comes in a Plastic Case. Extra Coarse

DMT uses micronized monocrystalline diamonds bonded to a substrate in giving a consistent grit size and coverage across the stone, this process ensures a long lasting performance. Rather than going up in numbers for the finer stones, they refer to the size of the diamonds in Microns.

Extra-Coarse - Recommended for aggressive removal of metal on damaged tools or for heavy-duty outdoor tools such as axes and lawn mower blades. This grit is commonly used as the first step in flattening the backs of chisels and plane irons and for rapid stock removal from a chipped or damaged edge.
Colour code: Black. Diamond size: 60 micron (220 mesh).