3M All Purpose Sanding Sponge - CP002 Medium Grit 3-34 x 2-58 x 1 3M All Purpose Sponge is ideal for sanding wood, paint, metal, plastic and drywall. The medium grit is ideal for moderate stripping or surface leveling in preperation of a top coat. Using conventional 3M abrasives the flexible foam is easy to hold and sands flat, contoured, or irregular surfaces. Features Use wet or dry Block shape for comfort Great for flat, contoured, or irregular surfaces For best sanding results, sand with the