"ALI INDUSTRIES" POWER SANDING SHEETS Resin-coated, aluminum oxide paper resists tearing, heat and humidity Fits: Power Tool Sanders & 1/4 Sheet Palm Sanders Applications: Wood, Metal, Fiberglass, & Painted Surfaces. 1/4 Sheet - Clip-on Aluminum Oxide Brand:''Ali-Gator-Grit'' 4-1/2" x 5-1/2" Grit=220