USC 320 grit 6" PSA sanding discs 50/box

Purple Premium line of film backed abrasives, we've redefined the category. We've optimized grains to stay sharper, longer.  We've created a proprietary mix of coarse grains for heavy-duty applications.  We've improved scratch quality and adhesion significantly.  And, we've continued to use USC® unique vacuum hold pattern so you can run cooler, longer.