This natural sharpening stone is quarried from the Malá Fatra mountains of Slovakia. Perfect for bringing woodworking tools to a razor-sharp edge, it excels in final honing tasks—from chisels and plane irons to carving knives. Used with water or oil, it offers smooth sharpening action and high wear resistance. With a grit equivalent of 6000-8000, this stone can refine edges to achieve a mirror-like polish.
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