Grinding and Sharpening: In metalworking, sandpaper may be used for grinding and sharpening a variety of metallic tools and surfaces. Coarser grits, like 36 or sixty, are used to eliminate material and condition the metal. This is especially valuable for reshaping or sharpening blades, chisels, or other cutting applications. The https://www.facebook.com/permalink.php?story_fbid=pfbid0DiLutbK3L7Y5kHMEMTKXjro5bMS8pBfL6nFaExHXPc3UPsxhKHHbHHQPLS1Vo49nl&id=61562415773754&__cft__[0]=AZU0p5ioGU0P-5RWRZTVa14d9tp72x8Wl-e3BPMTY6p8eh0r2uJhkT9Pu8oDGt1Pcl71kyeUcOwfJxqJPz6hx7-8PIXGowNS0_Qpkw-2KlUiI-P-1l_wKxEKFP07LGrrmPqfO2EqHZYRbq2cGOhaLZZ1vSrdCK9NaMI-MgQ-QeBkrmItpRv7VVPwkXtjdnjQxxZtT1bC9SzNZpHCdFoDNSPe&__tn__=%2CO%2CP-R