Hitohira Picked Umajiyama Natural Stone Type 30

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Please note: The sharpening stone shown in the pictures is a sample. The stone you receive may look slightly different, as natural stones vary in color and pattern. All stones are carefully matched for quality and size, but we do not individually test or rate them. Our stones are selected and ordered based on size and quality standards. If you require more specific information about a particular stone, please contact us. Detailed Spec Brand: Hitohira ひとひら Product Type: Natural Stone Size: Type 30 Producing Area: Kyoto/ Japan Mine: Umaji Soaking Requirement: Not required Size: 205 x 78 x 32mm Weight: 1418g Update: September 30, 2025 Show more