Grinding and Sharpening: In metalworking, sandpaper is often used for grinding and sharpening various metallic instruments and surfaces. Coarser grits, like 36 or sixty, are used to eliminate material and shape the steel. This is especially practical for reshaping or sharpening blades, chisels, or other cutting tools. All this is https://www.facebook.com/permalink.php?story_fbid=pfbid0iHPXBfuTV48a11S6im2HVgkDj4HGpowo18T13Z5k4EmaMwSQCcam91GuEfPNAYjbl&id=61562415773754&__cft__[0]=AZVxsKklkxmhMCjUYdW7D2vGozb44w43Be_2d51MC-1NCTqNADRyOxYBYlDMffTdzf2PhN1Wviaw4ieF8AtNtm5u_K9rSSjNmNYrPsWMyH0RKjC2MjEm3SbHcsssb6P9E2nIWBUVazsAkP9yLtOvwMLMiHobsEEf6zoGHp0ly1ruvIA4Y7lSf3Dg4dV99e__H9GCeaPn0KNBXIuylUDis3LG&__tn__=%2CO%2CP-R