Hitohira Picked Mizukihara Uchigumori Natural Stone (No.0003)

An absolute gorgeous Uchigumori, hand picked and reviewed by Hitohira. So far the line on the surface is harmless. Detailed SpecBrand: Hitohira ひとひら (一片) Product Type: Natural Stone Mine: Mizukihara Producing Area: Kyoto/ Japan Layer: Uchigumori Recommended Usage: Chisel, Plane, Hagane Polish (To be White), Kasumi Finish Hardness (5 = Very Hard) : 2.5 Grain Scale (5 = Very Fine) : 4 Sharpening Speed (5 = Very Fast) : 3.9 Soaking Requirement: Not required Size: 161 x 58 x 27mm Weight: 744g Date of manufacture: 2023 Revied by Naoki Tsuda Update: April 6, 2023