Norton 49837 Gold 6" Pressure Sensitive Adhesive Discs, 100 per roll, 220-Grit. Ideal for rough feather-edging, stripping old paint and dry sanding plastic filler and putty. Sharp, hard aluminum oxide abrasive on a tough paper backing for aggressive sanding and long life. No-Fil and OpenKote prevent clogging and loading.For general-purpose sanding of wood, metal and plastic. Convenient adhesive-backed attachment.