Check the listing for details. 3M 31464 Cubitron II Multi-Hole Hook & Loop 3 in. 400+ Grit Sanding Disc (50 ct). Color: Purple, Condition: New. Listed at 55.33 USD. Our Cubitron II Hookit clean sanding abrasive discs 737U combines the highest 3M technologies for automotive repair. Its long-lasting sharp triangular shaped grain and multi-hole pattern for superior dust extraction make the disc ideal for paint removal, rough body filler shaping, fine feather-edging or final prep before blending or priming. The Hookit system makes for quick disc change outs. We developed our Cubitron II Hookit clean sanding abrasive discs 737U for superior cut and long disc life during key stages in auto body repair. It features 3M precision shaped grain technology. This triangular shaped grain cuts at least 30% faster and lasts at least 30% longer than traditional ceramic abrasives. The disc is ideal for feather edging, as a final sanding step before priming or during prep before blending. Features:Features 3M precision shaped grain, triangular shaped grains that cut at least 30% faster and last at least 30% longer than other conventional ceramic abrasivesExtremely sharp precision shaped grain provides longer life than conventional ceramic abrasivesSharper cutting surface means less pressure is requiredClean sanding multi-hole pattern delivers excellent dust extraction3M Hookit hook and loop attachment makes for fast disc change outsLong-lasting, fast cutting abrasive disc is ideal for a range of jobs including paint removal and feather edging removal and featheredgingElectro statically oriented triangular shaped grain cuts 30% faster than other premium abrasives