Shoubudani LV4 hardness LV 4 fineness stone, softer than the Ozuku we just posted and a great knife sharpening stone. A slightly coarser (still fine though) polishing stone that generates its own mud...
10 Aug 2020 ... Shoubudani LV4 hardness LV 4 fineness stone, softer than the Ozuku we just
posted and a great knife sharpening stone. A slightly coarser (still ...