3M Hookit 260L Velcro Sanding Discs. 3M Hookit Dust-Free Finishing Film Discs are designed for use in scuff sanding before painting, as well as to remove runs, dust nibs, and excess orange peel from paint and gelcoat prior to compounding. 3M 260L Hookit Dust-Free Film Discs are pre-punched with standard hole patterns for dust-free sanding and are designed to be used with Hookit Dust-Free Disc Pads. These discs allow for machine sanding versus having to hand sand prior to compounding or using very aggressive compounds (multiple applications of). These discs are constructed of a high performance, aluminum oxide mineral bonding to a smooth film backing. Cuts fast, lasts long, resists loading and leaves a consistent finish. To be usedwith the 3M Soft Interface Pad. 50 Discs per box.