Grinding And Sharpening: In metalworking, sandpaper may be used for grinding and sharpening many steel tools and surfaces. Coarser grits, like 36 or 60, are used to remove material and form the metallic. This is especially practical for reshaping or sharpening blades, chisels, or other cutting equipment. I have currently https://www.pinterest.com/pin/1001488035878254469/