They do not absorb water so they are ready for immediate use. Wetting the stones for a while and keeping them wet is sufficient. The choice in grit size of this premium line of the most established Japanese sharpening stone manufacturer is very large so you will always be able to compose your ideal set of sharpening stones.


The Naniwa Professional stones are the successor of the Naniwa Chosera stones. Naniwa improved the binding agent keeping the abrasive together. Every aspect of the production of Naniwa sharpening stones is done by Naniwa. Very strict quality control guarantees a consistent high quality.

The Naniwa Professional Stones are the hardest Japanese water stones. Therefore, wear is absolutely minimal and the lifespan maximum.

Naniwa Professional Stones

Naniwa Professional Stones

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Sharpening stones & accessories

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Package deal Naniwa Professional whetstones, grid 400 / 1000 / 3000

Naniwa Professional Stone, P310, grit: 1000

Naniwa Professional Stone, P330, grit: 3000

Package deal Naniwa Professional whetstones, grid 600 / 2000 / 5000

Naniwa Professional Stone, P308, grit: 800

Naniwa Professional Stone, P390, grit: 10000

Naniwa Professional Stone, P304, grit: 400

Naniwa Professional Stone, P350, grit: 5000

Naniwa Professional Stone, P306, grit: 600

Naniwa Professional Stone, P320, grit: 2000

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