Check the listing for details. 3M 31489 Cubitron II Hookit 80mm x 12m 320+ Grit Clean Sanding Sheet Roll. Color: Purple, Condition: New. Listed at 53.06 USD. The Cubitron II Hookit Clean Sanding Sheet Rolls 737U combines the highest 3M technology for automotive repair. Its long-lasting triangular shaped grain and multi-hole pattern for superior dust extraction make it ideal for paint removal, rough body filler shaping, fine feather-edging or final prep before blending or priming. The 3M Hookit system makes for quick change-outs of abrasive sheets Features:Cubitron II cuts 30% faster and lasts 2x longer than other premium abrasives Clean Sanding multi-hole pattern delivers excellent dust extraction 3M Hookit hook-and-loop style abrasive attaches firmly, removes quickly for fast change-out Kiss-cut scoring technology allows for use in multiple sheet lengths Precision Shaped Grain (PSG) technology employs microreplication to obtain sharp and uniformly sized triangular grain Triangular PSG abrasive grains are super-sharp and cut exceptionally fast Sharp tips of PSG maintains abrasive life for a long time Sharper cutting surface means less pressure is required for reduced friction and wear Grains are electrostatically oriented on abrasive surface for efficient cut, even wear