Gator, 25 Pack, 4.5" x 5.5", 100 Grit, Aluminum Oxide, Sanding Sheets, Pre-Cut Sheets Are Designed To Be Used On Any 1/4 Sheet Palm Or Finishing Sander, Heavy Duty Resin Sandpaper Resists Heat & Tearing For Longer Life, For Use On Wood, Metal, Drywall, Fiberglass, Or Painted Surfaces, Resin Bonded To Resist Heat & Humidity For Longer Life.