JAPANESE WHET STONE
SIZE & GRADING SCALE
SIZE & GRADING SCALE
The Japanese grading scale is based on size and is recognized and used in the manufacturing
and marketing of traditional natural whetstones. Larger stones of a given quality and purity are
and always have been more difficult to obtain in the natural state, and therefore command a
higher market value based on rarity.
and marketing of traditional natural whetstones. Larger stones of a given quality and purity are
and always have been more difficult to obtain in the natural state, and therefore command a
higher market value based on rarity.
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