Naniwa Chosera 400 – Professional Sharpening Stone
The Naniwa Chosera 400 is a high-quality Japanese water stone, ideal for restoring and grinding heavily dulled knives and repairing damaged blades. Thanks to its advanced technology, it provides fast and effective sharpening, which is why it’s chosen by professionals worldwide.
Key Features of the Naniwa Chosera 400
Grit 400 – excellent for sharpening very dull and damaged knives.
High hardness and density of grit – ensures long lifespan and minimal stone wear.
Magnesium technology – superior to traditional resin stones, guarantees greater abrasive density.
Splash & Go – no long soaking required, just lightly moisten the surface with water.
Professional quality – used by chefs, craftsmen, and enthusiasts of perfectly sharp knives.
Why Choose the Naniwa Chosera 400?
This Japanese sharpening stone is exceptionally wear-resistant, so it will last for years. Its unique structure allows for quick and effective removal of chips, nicks, and smoothing the blade. It works well not only for kitchen knives but also for hunting knives, craft knives, and woodworking tools.
How to Care for the Naniwa Chosera 400 Stone?
To ensure the maximum durability of the stone:
Do not soak it in water for a long time – a brief wetting is enough.
After sharpening, leave it to dry in a well-ventilated area.
Avoid high temperatures – do not dry on a radiator or in the sun.
Store it in a dry place to prevent cracking.
Choose Quality and Sharpening Precision
If you care about precise sharpening and the longevity of your knives and tools, choose the Naniwa Chosera 400. It’s an indispensable product for both professional chefs and enthusiasts of perfect sharpness.
Technical data:
- Sharpener type: "splash & go" stone
- Grit: #400
- Overall dimensions: 210 x 70 x 20 mm
- Abrasive: white aluminum oxide
- Weight: 800 g
- Purpose: knives, razors, chisels, scissors
- Origin: Japan









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