The Fein Pipe Polisher Set is meant for surface cleaning and scratch removal to get a satin finish. Includes (10) Grinding Belts 13/16"x32-1/16" 120 grit, (10) Grinding Belts 13/16"x32-1/16" 180 grit, (10) Grinding Belts 1-9/16"x32-1/16" 120 grit, (10) Grinding Belts 1-9/16"x32-1/16" 180 grit, and (5) Fleece Belts 13/16"x32-1/16".