Our Cubitron™ II Hookit™ Clean Sanding Abrasive Discs 737U combines the highest 3M™ technology for automotive repair. Its long-lasting 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. Our Hookit™ system makes for quick disc change-outs.