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NANIWA Ceramic Super Sharpening Stone with Flattening Stone

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Product Information

  • Brand:NANIWA
  • Material:Ceramic
  • Product type:Sharpening Stone
  • Country of origin:Japan
  • Dimensions (approx):210 x 75 x H30 mm, Flattening stone: 65 x 50 x H30 mm
  • Item weight (approx):1240 g
  • Shipping weight (approx):1500 g

Key Features

  • This powerful sharpening stone allows you to sharpen hard knives made of steel or stainless steel, except knives made of ceramics.
  • Hard to get clogged, you can refine the edges extra sharp with this sharpening stone.
  • You can start sharpening by splashing some water on the surface, without soaking the stone.
  • Comes with a flattening stone.
  • The #10000 stone is perfect for refining the edges extra sharp.

Use & Care

  • Splash some water on the surface and start sharpening. You don't need to soak the stone with water prior to use. Simply moisten it with water while sharpening.
  • Make sure to use the stone on the flat, stable and non-slippery surface.
  • Wash it well with water after use. Air dry and store it away from the direct sunlight.
  • In case a part of the stone is chipped after a fall, for example, make sure to smooth out the chipped part so that the blade won't be damaged when sharpening with it.


Since its establishment, Naniwa Abrasive Mfg has been dedicated to the development and manufacture of grinding and polishing technology and tools. They have an integrated system from production to sales of a wide variety of grindstone or diamond tools.