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Seki Magoroku Diamond and Ceramic Knife Sharpener for Double Edged Blade

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Product Information

  • Brand:Seki Magoroku
  • Model:AP0308
  • Material:Body: ABS resin (Heat resistant up to 80°C), Transparent cover: AS resin, ABS resin, elastomer resin, Stones: Diamond stone, ceramic stone
  • Product type:Knife Sharpener
  • Country of origin:Japan
  • Dimensions (approx):Length: 141 mm x Width: 55 mm x Height: 51 mm
  • Item weight (approx):100 g
  • Shipping weight (approx):170 g

Key Features

  • A blunt knife will be sharp again with this 3-step simple knife sharpener. It has three different stones which enable you to sharpen the dull knife edge simply by using each slot in order.
  • For double edged knives.


  1. With the coarse diamond stone slot, you can sharpen the dull edge.
  2. Using the ceramic slot, you can sharpen the edge to be thinner in order to improve the sharpness.
  3. Finish with polishing the edge with the fine ceramic slot.

Use & Care

  • Wash it well after each use and dry it thoroughly before storing.


Kai Corporation was established in Seki, Gifu, which is the top city of knife manufacturing. They provide about 10,000 items such as kitchenware, medical products and commercial-grade knives both domestically and internationally.