3M Sandblaster, 10 Pack, 4.5" x 5.5", 120 Grit, Sanding Sheet, Use On Palm Sanders, 1/4 Sheet Sanders Only, Use On Many Surfaces, Including Wood, Metal & Fiberglass, Will Not Discolor Your Sanding Surface, Press Sheet Firmly, Backing Is Coated With Extremely Durable Cubitron Mineral, Stays Sharp, Resulting In A More Consistent Sanded Surface & Longer Paper Life, Cuts 3 Times Faster & Lasts 3 Times Longer, Resists Tearing, Clog Resistant For Less Work.