Gokumyo Stone (Edge Pro format) - Gritomatic

Gokumyo Stone for Edge Pro

For Hapstone and Edge Pro knife sharpeners (Edge Pro format)
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Gokumyo Sharpening Stones are used for sharpening knives on Hapstone and Edge Pro knife sharpeners. Gokumyo stones are 6 mm thick and are mounted on high quality aluminum blanks.

Designed to mimic the finest natural stones in performance and feel, Gokumyo 20000 is the finest of the Gokumyo series and is designed to provide the finest, sharpest edge without excessive trouble or frustration and for an extremely long time. Exceptionally hard and with low water permeability, this stone does not require soaking before use but will absorb water over time, yet is unaffected by prolonged water exposure due to it's composition, method of manufacture and high density. Tools From Japan


  • Product size: 160 x 25 x 9 mm (6" x 1" x ⅓")
  • Working surface: 152 x 20 x 6 mm (6" x ¾" x ¼")
  • Weight: 88 g (2.8 oz)
  • Abrasive: Bonded Aluminium Oxide
  • Extra materials: Aluminum Blank, 3M PSA

How to use

Gokumyo stones should be used with one of these lubricant:

  • Water
  • Soapy water

Gokumyo stones do not have any minor defects.

Gokumyo stones are 20-22 mm wide, not 25 mm. This is not a defect.

Gokumyo stones do not require any preparations. It's preliminary lapped.

Warnings. Do not soak Gokumyo stones in water. Just splash, or use a water spray. Never store Gokumyo stones in water. Never dry Gokumyo stones near heat.

Q & A

  • Are Gokumyo stones really original? Why are they not available on the web site of Suehiro?

    Many end products are made by Gritomatic. We buy Gokumyo sharpening stones from japanese distributors, perform the cutting, flattening and lapping, and mount the stones to blanks. We keep the names of the original sharpening stones in the names of the finished products, as well as the countries of origin of these stones.

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