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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, Tomae, Tamagoiro, Nashiji. In Nakayama, Kyoto
Size 15 x 70 x 95mm. Weight 270g. Finest finishing stone. Hardness: HS42.
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Price: JPY9,000 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. In Nakayama, Kyoto
Size 10 x 66 x 182mm. Weight 580g include the wooden base. Finest finishing stone. Hardness: HS59.
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Price: JPY16,000 In stock
#10 Awasedo, Tomae, Kiita, Nashiji. In Nakayama, Kyoto
Size 15 x 70 x 95mm. Weight 400g. Finest finishing stone. Hardness: HS41.
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Price: JPY10,000 In stock
#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, Tomae, Nashiji. In Nakayama, Kyoto
Size 25 x 72 x 85mm. Weight 410g. Finest finishing stone. Hardness: HS49.
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Price: JPY9,500 In stock
#14 Awasedo, Kan. In Kyoto
Size 14 x 67 x 198mm. Weight 560g. Finest finishing stone. Hardness: HS65.
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Price: JPY23,000 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, Tomae, Kiita, Nashiji. In Nakayama, Kyoto
Size 10 x 50 x 110mm. Weight 150g. Finest finishing stone. Hardness: HS60.
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Price: JPY9,000 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. In Kyoto
Size 8 x 63 x 179mm. Weight 480g include the wooden base. Finest finishing stone, 2.748μm. Hardness: HS53.
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Price: JPY16,000 In stock
#19 Left over stones. In Kyoto
Weight about 4,000g. The picture is sample.
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Price: JPY20,000 In stock
#20 Awasedo, Tomae, Tamagoiro, Nashiji. In Nakayama, Kyoto
Size 16 x 85 x 97mm. Weight 370g. Finest finishing stone. Hardness: HS49.
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Price: JPY9,500 In stock