Disc 5" x 5 Hole FILMTEK Hook & Loop Holes For Vacuum Uneeda FilmTek Sanding Discs – Box of 50 320 grit Upgrade your sanding performance with Uneeda FilmTek Film Abrasives. Designed to outperform traditional paper discs, FilmTek uses a durable film backing that provides a more uniform and consistent abrasive coating for smoother, more reliable sanding results. Film backing is waterproof, extra flexible, and significantly more durable than paper, often lasting two to three times longer depending on the application. That means fewer disc changes, better efficiency, and lower overall sanding costs. FilmTek abrasives perform exceptionally well on both wood and metal, making them a versatile choice for professional shops. For years, film abrasives cost nearly twice as much as paper. Thanks to new manufacturing technology, Uneeda now offers FilmTek at prices comparable to traditional paper discs—giving you premium performance without the premium price. Features Film backing for consistent abrasive coating Extra flexible for better surface conformity Waterproof for wet or dry sanding Up to 2–3× longer life than paper discs Performs great on wood and metal Cost-efficient professional abrasive Sold in boxes of 50 Made by Uneeda Sanding Supplies — professional abrasives made by professionals, for professionals.