Assorted Aiiwatani 330-530 Grams Small Benchstone or Wide Faced

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 prices are 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 f.

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 prices are 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.  All have sides covered by cashew lacquer to help prevent de-lamination, that said do not soak.

Aiiwatani:

A ‘Higashi-Mono’ (Eastern Mine) whetstone that is close in proximity to Takashima and Wakasa, two mines known for their high density stones.

Shoubudani:

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.

Please note:

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.

Ohira 30 Model Natural stone High Quality Ipponsen

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

Assorted Shoubudani Koppa 520-640 Grams Small Benchstone or Wide Faced Square Tennen Toishi Honyama Natural Finishing Stone

Hard but smooth cutting and easy to use for a hard stone Shoubudani just barely self slurrying mud that cuts medium fast and leaves a nice slightly

#714 Shoubudani Asagi Easy Hard 3.5-4 Hardness 4 Fineness 1469 grams

Name: Professional WhetstoneSize: 210mmx75mmx25mmGrit: #12000Origin: JapanWith over 100 years of experience in whetstones & sharpening, Morihei has

Professional Whetstone (Natural Stone Mix) Sharpening Stone #12000

Natural whetstone Kyoto Tanba Aoto 2437g- Kabukiknives Buy Japanese Knife

[Premium Japanese Sharpener] Professional sharpening stone made of durable white corundum (aluminum oxide). The straight base is made of natural

MITSUMOTO SAKARI Japanese Knife Sharpening Stone, Professional Kitchen 1000/3000 Grit Knife Sharpener Stone, Anti-Slip Bamboo Seat Sharpener Whetstone

Aiiwatani Kiita Nashiji Lv 3 (a625) - Japanese Natural Stones

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

Assorted Aiiwatani 420-620 Grams Tall Short Irregular Tennen Toishi Honyama Natural Finishing Stone

MITSUMOTO SAKARI Japanese Knife Sharpening Stone, Professional Kitchen 1000/3000 Grit Knife Sharpener Stone, Anti-Slip Bamboo Seat Sharpener Whetstone : Tools & Home Improvement

Ohira 30 Model Natural stone High Quality Ipponsen

Assorted Shoubudani Koppa 840-980 Grams Small Benchstone or Wide Faced – Bernal Cutlery

Name: Professional WhetstoneSize: 210mmx75mmx25mmGrit: #12000Origin: JapanWith over 100 years of experience in whetstones & sharpening, Morihei has

Professional Whetstone (Natural Stone Mix) Sharpening Stone #12000

[Premium Japanese Sharpener] Professional sharpening stone made of durable white corundum (aluminum oxide). The straight base is made of natural

MITSUMOTO SAKARI Japanese Knife Sharpening Stone, Professional Kitchen 1000/3000 Grit Knife Sharpener Stone, Anti-Slip Bamboo Seat Sharpener Whetstone

MITSUMOTO SAKARI Japanese Knife Sharpening Stone, Professional Kitchen 1000/3000 Grit Knife Sharpener Stone, Anti-Slip Bamboo Seat Sharpener Whetstone : Tools & Home Improvement

This high density natural sharpening stone has the fineness equivalent to the grit number of approx. #8000. It is recommended to use a Nagura stone to

Imanishi Ohira 30 Model Tokujo Natural Stone #8000