Grinding And Sharpening: In metalworking, sandpaper is usually used for grinding and sharpening numerous steel tools and surfaces. Coarser grits, like 36 or 60, are used to get rid of material and condition the metallic. This is especially handy for reshaping or sharpening blades, chisels, or other cutting equipment. We https://x.com/hongyuxin20/status/1816702487107338457