1. Made of corundum material; The higher the mesh, the finer the texture, and vice versa; Generally, low mesh grindstone for roughing, high-mesh used for fine;
2. Delicate texture, good hand feeling; Stable, anti-slip and smooth
3. 240 mesh for coarse grinding, can be better to open the blade and repair severely damaged knife; 800 Head for professional sharpening process in the middle grinding stage
4. Fine appearance, double color design to show individuality.