Because it is handmade

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but the particles gradually become finer

37mm (width)

〈75mm〉

"KYO HIGASHIYAMA" ST Whetstone #8000 with wooden stand Diamond Sharpener Because it is handmade"KYO HIGASHIYAMA" ST Whetstone #8000 with wooden stand Three HONMAMON Stars (link) Kyo Higashiyama whetstones are our brand. We selected each grid whetstone the most suitable to polish a cutlery. The highest grade synthetic whetstone. Recommended for professional use and household use. Excellent polishing ability and nice smooth feeling. Best suited for planers, chisels, kitchen knives, scissors, etc. ST series is standard and main series, with all