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Assorted Shoubudani 720-900 Grams Small Benchstone or Wide Faced Square Tennen Toishi Honyama Natural Finishing Stone
Koppa are small sized or oddly shaped stones that are cut from the same stock and preform the same as larger more regularly shaped premium stones but are far less expensive. These are nearly benchstone sized, their price lower than usual as they are not individually graded, they are all good for knives mostly in the LV 3.5-4 range of hardness and fineness.
A ‘Higashi-mono’ (Eastern Mine Stone), The Shoubudani mine produces some of the higher quality natural whetstones that are akin to Nakayama mine stones in their beautiful finish.
These koppa stones have been graded by us by weight and geometry only, they have not been individually graded by hardness and fineness, koppa are sold at random only, we will not select individual stones from the photo. For individually graded stones please see our other listings.
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Review Assorted Shoubudani 720-900 Grams Small Benchstone or Wide Faced Square Tennen Toishi Honyama Natural Finishing Stone