








Naniwa Chosera 400 – Professional Sharpening Stone
Naniwa Chosera 400 is a high-quality Japanese sharpening stone, ideal for regenerating and grinding heavily dulled knives and repairing damaged blades. Thanks to its advanced technology, it ensures fast and effective sharpening, which makes it the choice of professionals around the world.
Key features of Naniwa Chosera 400
- 400 grit – perfect for sharpening very dull and damaged knives.
- High hardness and grain density – ensures long life and minimal stone wear.
- Magnesium technology – better than traditional resin stones, guarantees greater abrasive density.
- Splash & Go – no need for long soaking, just lightly moisten the surface with water.
- Professional quality – used by chefs, craftsmen, and enthusiasts of perfectly sharp knives.
Why choose Naniwa Chosera 400?
This Japanese sharpening stone is extremely wear-resistant, so it will serve you for years. Its unique structure allows for quick and effective removal of defects, nicks, and smoothing of the blade. It works well not only with kitchen knives, but also with hunting knives, craft knives, and carpentry tools.
How to care for the Naniwa Chosera 400 stone?
To ensure maximum durability of the stone:
- Do not soak it in water for a long time – a brief moistening is sufficient.
- After sharpening, leave it to dry in a well-ventilated place.
- Avoid high temperatures – do not dry on a radiator or in the sun.
- Store in a dry place to prevent cracks.
Choose quality and precision sharpening
If you care about precise sharpening and the longevity of your knives and tools, choose Naniwa Chosera 400. It is an irreplaceable product for both professional chefs and enthusiasts of perfect sharpness.
Specifications:
- Product Type: splash & go stone
- Grit: #400
- Overall dimensions: 210 x 70 x 20 mm
- Abrasive: white aluminum oxide
- Weight: 800 g
- Used for: knives, razors, chisels, scissors
- Origin (Made in): Japan

