... velcro abrasive disc has increased life, resistance, and durable for grinding and polishing wood/metal/paint/automobile blue velcro abrasive ... automobile, furniture, aviation, machinery, building, instrument, metal and mold, and so on.Bond: resin over resinCoated material: Aluminum oxideDimension ( ... used for the polishing of automobile,surface and paint,wood,stone,metal and so on.the strips can go out ...