Norton ProSand 82068 Sanding Sponge, 4-1/2 in L, 3-11/16 in W, 80 Grit, Coarse, Aluminum Oxide Abrasive

Our super sharp abrasive and new coating method make these sponges resist clogging, cut faster and last longer than general sanding sponges and up to 5X longer than conventional and paper. The various sizes and grit combinations offer maximum versatility and flexibility for sanding curved, contoured or flat surfaces of wood, metal, paint, plastic and drywall.