3M Contour Surface Sanding Sponge is ideal for sanding wood, paint, metal, plastic and drywall. The contoured sponge can be used for either dry or wet sanding and can be rinsed and reused. Extremely flexible, softback. 3M General Purpose Sanding Pads are designed for sanding surfaces such as wood, paint, metal, plastic and drywall. Extremely flexible pads best used for sanding contoured surfaces and hard to reach places. Pads can also be used for sanding flat surfaces. Resists clogging and can be used for wet or dry sanding. 7000126208 - 00051115069659