400 grit grade whetstone for grinding down notches, removing substantial amounts of metal, restoring damaged edges of tools and changing bevels on blades.
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1000 grit grade whetstone for sharpening knives and tools that are not very dull.
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3000 grit grade whetstone for removing burrs after sharpening. It gives a fine, razor-sharp edge to any tool of the knife blade. 8000 grit honing stone is perfect for the final polishing of bevels and back sides.
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