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Koppa stones from Kyoto

The fine grit natural stones

water stones

Koppa means small pieces. If you want to start natural stones for your kitchen knives, they are good for trial. You can use them for razor or chisels too. They are from Kyoto.
I have some other stones. Please let me know if you are looking for something. They are super fine grain stones.

#1 Awasedo. In Kyoto
Size 15 x 53 x 157mm. Weight 290g. Finest finishing stone. Hardness: HS39.
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Price: JPY13,000 In stock
#2 Awasedo, Kiita, slight wave. In Kyoto
Size 14 x 57 x 160mm. Weight 330g. Finest finishing stone. Hardness: HS39.
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Price: JPY12,000 In stock
#3 Awasedo, Asagi. In Kyoto
Size 20 x 81 x 135mm. Weight 640g. Finest finishing stone. Hardness: HS58.
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Price: JPY14,000 In stock
#4 Awasedo, Kiita. In Kyoto
Size 21 x 58 x 158mm. Weight 455g. Finest finishing stone. Hardness: HS38.
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Price: JPY12,000 In stock
#5 Asagi. In Kyoto
Size 19 x 57 x 160mm, Weight 435g. Finest finishing stone. Hardness: HS51.
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Price: JPY10,000 In stock
#6 Awasedo. In Kyoto
Size 14 x 80 x 130mm, Weight 460g. Finest finishing stone. Hardness: HS51.
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Price: JPY7,000 In stock
#7 Awasedo. In Kyoto
Size 5 x 65 x 185mm. Weight 430g include the wooden base. Finest finishing stone, 2.448μm. Hardness: HS44.
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Price: JPY19,000 In stock
#8 Awasedo. In Kyoto
Size 12 x 55 x 150mm, Weight 255g. Finest finishing stone. Hardness: HS53.
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Price: JPY5,000 In stock
#9 Awasedo, Maruka, Shohonyama. In Nakayama, Kyoto
Size 7 x 62 x 175mm. Weight 390g include the shipping. Finest finishing stone. Hardness: HS52.
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Price: JPY20,000 In stock
#10 Awasedo, Kiita, Kan. In Kyoto
Size 22 x 67 x 138mm. Weight 500g. Finest finishing stone. Hardness: HS49.
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Price: JPY11,000 SOLD OUT
#11 Awasedo. In Kyoto
Size 20 x 85 x 145mm. Weight 580g. Finest finishing stone. Hardness: HS44.
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Price: JPY13,000 In stock
#12 Awasedo, Asagi. In Kyoto
Size 24 x 83 x 140mm. Weight 680g. Finest finishing stone. Hardness: HS49.
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Price: JPY12,000 In stock
#13 Awasedo. In Kyoto
Size 9 x 65 x 181mm. Weight 500g include the wooden base. Finest finishing stone. Hardness: HS49.
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Price: JPY12,000 In stock
#14 Awasedo, Kiita. In Kyoto
Size 10 x 62 x 185mm. Weight 480g include the wooden base. Finest finishing stone. Hardness: HS39.
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Price: JPY16,000 In stock
#15 Awasedo. In Kyoto
Size 24 x 83 x 140mm. Weight 960g include the wooden base. Finest finishing stone. Hardness: HS41.
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Price: JPY18,000 In stock
#16 Awasedo. In Kyoto
Size 14 x 59 x 160mm. Weight 340g. Finest finishing stone. Hardness: HS62.
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Price: JPY16,000 In stock
#17 Awasedo, Tamagoiro. In Kyoto
Size 24 x 81 x 136mm. Weight 580g. Finest finishing stone. Hardness: HS36.
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Price: JPY17,000 In stock
#18 Awasedo, Namazu. In Kyoto
Size 19 x 41 x 190mm. Weight 510g include the wooden base. Finest finishing stone. Hardness: HS42.
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Price: JPY9,000 In stock
#19 Awasedo, Asagi. In Kyoto
Size 23 x 63 x 178mm. Weight 680g. Finest finishing stone. Hardness: HS56.
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Price: JPY5,000 In stock
#20 Uchigumori, Namazu. In Kyoto
Size 13 x 67 x 186mm. Weight 580g include the wooden base. Finest finishing stone. Hardness: HS42.
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Price: JPY8,000 In stock