お知らせ(news) Release Aoi series
2019年10月03日 We realese #400,#800 and #2000 stones which the same type of Aoi stone. Our new line is Aoi series. Adding cobalt to material and baked at high temperature, they have high toughness. It make these stones enhance its performance. They have good balance between free abrasive grain and holding force of stone’s surface. This type stones are easy to use for all users (from beginner to professional ) We focus the medium stone which is used stone in most important process of sharpening. Do use this seriese for your comfortable sharpening.
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