This is one of the most sought out Whetstone in Japan due to its rarity and quality. This type of Naniwa Whetstone requires no soaking prior sharpening, simply sprinkle some water on the stone surface before begin the sharpening process.
Naniwa manufactured this Whetstone with a very specific intention to sharpen knives. With this fast-cutting metal material, consistent scratch pattern, and slurry sharpening experience.
