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Naniwa takes pride in its Diamond Sharpening Stones series. These stones have powdered industrial-grade diamonds that make them harder than other sharpening stones.
Using this series of sharpening stones from Naniwa gives users faster sharpening time and the flatness of the stone is retained longer. Though more expensive than any other stones, the Naniwa Diamond sharpening stones last for a long time.
Brand: Naniwa Diamond Size: 210 x 75 x 16mm Use & Precaution
This stone does not require soaking. Sprinkle a little water only when sharpening. As a general rule, never soak stones with #3000 grits and higher in the water. After use, let the stone dry thoroughly. Returning a stone into its box while still wet or damp will result in molding and might decrease in quality.
It usually takes 1 E weeks for us to restock should this item is not available.