OBORO TOOL
| Product Type | Diamond Sharpening Stone |
| Brand | NSK Kogyo Ltd. |
| Size | L 200mm x W 75mm x 26mm |
| Abrasive Thickness | 4mm + |
| Recommended |
Japanese single bevel tools (Kanna plane, Nomi Chisels etc) |
| Grit | 中砥細 Chuto-Koma (around #2000) 中仕上 Chu-Shiage (around #4000) 仕上 Shiage (around #6000) |