3M 917DC-NA 4-1/2" X 5-1/2" X 3/16" FINE THIN CONTOUR SOFTBACK SANDING SPONGE 17113

4.5" x 5.5". Ideal for dry or wet sanding of wood, paint, metal, plastic and drywall. When finished, simply rinse and reuse. Conformable, comfortable, flexible and convenient.