Gator, 5 Pack, 5, 5 Hole, 80 Grit, Aluminum Oxide, Red Resin, Sanding Discs, Designed Specifically For Power Tools, For Use On Wood, Metal, Drywall, Fiberglass Painted Surfaces, Quick Change Hook Loop Holding System Allows Faster Disc Changes, Fits Porter Cable Random Orbit Sanders, Resin Bonded To Resist Heat Humidity For Longer Life, Vented Hole Pattern Matches Sanders Pad For Maximum Dust Extraction