Hitohira Picked Atago Natural Stone Type 30 (No.0077) need to dig lines before use. Or you can use it as Hazuya finger stone. Very easy to use

Very easy to use

Total Length: 443mm

Please use cold water when hand washing or hand washing mode on the washing machine

Size: 152 x 28 x 23mm

Weight: 79g

Hitohira Picked Atago Natural Stone Type 30 (No.0077) need to dig lines before use. Or you can use it as Hazuya finger stone. Very easy to useVery big!! Fine and hard. For advenced users. Detailed Spec Brand: Hitohira Product Type: Natural Stone Size: Type 30 Producing Area: Kyoto Japan Mine: Atago Recommended Usage: Kitchen Knife (Edge), Straight Razor, Chisel Planes Hardness (5 = Very Hard): 4. 1 Grain Scale (5 = Very Fine): 4. 2 Sharpening Speed (5 = Very Fast): 3 Soaking Requirement: Not required Size: 218 x 82 x 63mm Weight: 2909g Reviewed by Naoki Tsuda Update: 5 30, 2026