Check the listing for details. 3M Cubitron II Net Disc Roll 31656, 320+, 6 in, 50 Discs/Roll. Color: Purple, Condition: New. Listed at 39.99 USD. Highlights Use the fastest-cutting, longest-lasting net discs in the world. 3M Cubitron II Net Discs combine patented 3M Cubitron II precision-shaped grains with an net backing pattern to deliver performance nobody matches See less dust. 3M Cubitron II Net Abrasives help dust extractors achieve their best-possible performance. Youll get dust capture that cant be beat whether youre using a self-generating-vacuum sander, a central vacuum system or a portable dust extractor See less dust. 3M Cubitron II Net Abrasives help dust extractors achieve their best-possible performance. Youll get dust capture that cant be beat whether youre using a self-generating-vacuum sander, a central vacuum system or a portable dust extractor 3M Cubitron II Net Discs are available in grades from 80+ to 320+ and in the most-popular disc sizes, making them compatible with existing dust-extraction sanders The 3M Hookit attachment makes installing a new disc quick and saving a partially-used disc easy 3M Cubitron II Net Abrasives, paired with the Total Automotive Sanding System, capture the most dust nobody's system works better Prolong the life of your sander's backup pad and maintain consistent attachment with the use of a protection pad or pad saver