Hitohira Picked Atago Natural Stone Type 30 (No.0078) need to dig lines before use. Or you can use it as Hazuya finger stone. Size: 196 x 70 x

Size: 196 x 70 x 28mm

Brand: Atoma アトマ

Handle: Ho Wood & Pakka Ferrule Oval

shows a strong commitment to his craft

Steel: Honyaki Yasuki White (Shirogami) #3

Hitohira Picked Atago Natural Stone Type 30 (No.0078) need to dig lines before use. Or you can use it as Hazuya finger stone. Size: 196 x 70 xFinish like a mirror, very hard stone. 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 Sharpening Speed (5 = Very Fast): 3. 3 Soaking Requirement: Not required Size: 205 x 79 x 36mm Weight: 1477g Reviewed by Naoki Tsuda Update: 5 30, 2026