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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, Tomae, Nashiji, Kan. In Ipponmatsu, Kyoto
Size 28 x 36 x 206mm. Weight 510g. Finest finishing stone. Hardness: 38HSD.
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Price: JPY12,000 In stock
#2 Awasedo. In Kyoto
Size 24 x 54 x 156mm. Weight 665g include the wooden base. Finest finishing stone, 2.852μm. Hardness: 56HSD.
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Price: JPY16,000 In stock
#3 Awasedo, Asagi. In Kyoto
Size 19 x 63 x 175mm. Weight 530g. Finest finishing stone. Hardness: 40HSD.
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Price: JPY18,000 In stock
#4 Awasedo. In Kyoto
Size 25 x 56 x 205mm. Weight 950g include the base. Finest finishing stone. Hardness: 46HSD.
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Price: JPY20,000 In stock
#5 Awasedo, Asagi, brown Renge. In Kyoto
Size 15 x 70 x 205mm. Weight 580g. Finest finishing stone. Hardness: 50HSD.
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Price: JPY20,000 In stock
#6 Left over stones. In Kyoto
Weight about 4,000g. The picture is sample.
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Price: JPY20,000 In stock
#7 Awasedo, Tomae, Tamagoiro, Nashiji. In Nakayama, Kyoto
Size 15 x 70 x 95mm. Weight 270g. Finest finishing stone. Hardness: HS42.
Extra pictures A
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Price: JPY8,000 In stock
#8 Awasedo. In Takashima Myoukakusan, Shiga
Size 20 x 74 x 197mm. Weight 1,100g include the wooden base. Finest finishing stone. Hardness: 29HSD.
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Price: JPY36,000 In stock
#9 Awasedo. In Kyoto
Size 10 x 66 x 182mm. Weight 580g include the wooden base. Finest finishing stone, 2.491μm. 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, 2.528μm. Hardness: HS41.
Extra pictures A
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Price: JPY10,000 In stock
#11 Awasedo, Tomae, Nashiji, Asagi. In Ipponmatsu, Kyoto
Size 29 x 36 x 207mm. Weight 560g. Finest finishing stone. Hardness: 47HSD.
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Price: JPY12,000 In stock
#12 Awasedo, Asagi. In Kyoto
Size 24 x 83 x 140mm. Weight 680g. Finest finishing stone, 2.579μm. Hardness: HS49.
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Price: JPY12,000 In stock
#13 Awasedo, Kiita. Daigokujo Ipponsen. In Kyoto
Size 21 x 60 x 160mm. Weight 480g. Finest finishing stone. Hardness: 44HSD.
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Price: JPY16,000 In stock
#14 Awasedo, Kan. In Kyoto
Size 16 x 56 x 160mm. Weight 410g. Finest finishing stone, 2.501μm. Hardness: 42HSD.
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Price: JPY9,000 In stock
#15 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
#16 Tsushima. In Tsushima, Nagasaki
Size 42 x 42 x 211mm. Weight 1,060g. Finest finishing stone. Hardness: 47HSD.
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Price: JPY14,000 In stock