Discs combine patented 3M precision-shaped grain with an optimized abrasive pattern to deliver performanceHelps dust extractors achieve their best-possible performance whether using a self-generating-vacuum sander, a central vacuum system, or a portable dust extractorThe patented triangular-shaped mineral grains on the discs slice through substrates rather than gouging or plowing like conventional abrasive grains, helping the disc run cooler, cut faster, and last longerAvailable in grades from 80+ to 320+ and in the most-popular disc sizes, making them compatible with existing dust-extraction sandersThe 3M™ Hookit™ attachment makes installing a new disc quick and saving a partially-used disc easy3M™ Cubitron™ II net abrasives, paired with the Total Automotive Sanding system, capture the most dust