Very strong "KARASU" pattern. It's hard and fine, so it requires ingenuity.
Detailed Spec
Brand: Hitohira ひとひら Product Type: Natural Stone Size: Koppa Producing Area: Kyoto/ Japan Mine: Ozuku Color: Karasu Recommended Usage: Kitchen Knife (Edge), Straight Razor, Chisel/ Planes Hardness (5 = Very Hard): 4.3 Grain Scale (5 = Very Fine): 4.4 Sharpening Speed (5 = Very Fast): 3.1 Soaking Requirement: Not required Size: 198 x 80 x 28mm Weight: 823g Reviewed by Naoki Tsuda Update: 5月 18, 2026
* Measurement and photos are from sample I picked up randomly, please understand that each item(s) has unique profile and colur because of handmade and natural materials.
*Please understand that we are supplying as wholesale and selling it at the website at the same time. If you purchase item(s) after supplied to the retail shop, this might be out of stock.
