Check the listing for details. 3M 34446 180 Grit Cubitron II Hookit Clean Sanding Sheet Roll. Condition: New. Listed at 50.64 USD. 3M 34446 180 Grit Cubitron II Hookit Clean Sanding Sheet Roll Cubitron™ II cuts 30% faster and lasts 2x longer than other premium abrasivesClean Sanding multi-hole pattern delivers excellent dust extractionHookit™ hook-and-loop style abrasive attaches firmly, removes quickly for fast change-outKiss-cut scoring technology allows for use in multiple sheet lengthsPrecision Shaped Grain (PSG) technology employs microreplication for extremely uniform abrasiveTriangular PSG abrasive grains are super-sharp and cut exceptionally fastPSG self-fractures during use to maintain sharpness and prolong abrasive lifeSharper cutting surface means less pressure is required for reduced friction and wearGrains are electrostatically oriented on abrasive surface for efficient cut, even wear