Product Description Norton's 4-7/8" X 2-7/8" X 1" Fine/Med Dual Angle Sanding Sponge has angled sides for sanding inside corners and crevices of hard-to-reach areas on a variety of materials. From the Manufacturer 4-7/8" X 2-7/8" X 1" Fine/Med Dual Angle Sanding Sponge. Firm sponge with angled sides for inside corners & crevices of hard-to-reach areas. Flexible foam can sand curved, contoured & flat surfaces of wood, metal, paint, ceramics & drywall.