Detailed Spec

Brand: Hitohira ひとひら
Product Type: Natural Stone
Size: Type 30
Producing Area: Kyoto/ Japan
Mine: Shobudani
Recommended Usage: Kitchen Knife (Edge), Kitchen Knife (Bevel), Kasumi Finish, Hagane Polish
Hardness (5 = Very Hard): 2.9
Grain Scale (5 = Very Fine): 3.4
Sharpening Speed (5 = Very Fast): 3.2
Soaking Requirement: Not required
Size: 207 x 75 x 30mm
Weight: 1149g
Revied by Naoki Tsuda
Update: 2月 27, 2026