The Shapton Kuromaku #320 is a coarse ceramic whetstone for heavy-duty sharpening tasks — restoring a damaged edge, removing chips, or setting a new bevel angle from scratch. It removes material quickly and stays flat longer than most coarse stones at this grit.
As a ceramic stone, it requires only a splash of water on the surface to use — no soaking. After use with the #320, move to the #1,000 to refine the edge before finishing.
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Grit: #320 (coarse)
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Type: Ceramic (splash-and-go, no soaking required)
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Dimensions: 210mm × 70mm × 16mm
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Use case: Edge repair, chip removal, bevel setting
New to whetstone sharpening? Read our step-by-step whetstone sharpening guide →
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