... in stone, metal steel mold polishing and shaping, lacquer surface, mirror surface treatment, back paper is flexible, with tenacity, back ... it can be widely used in: autobody bottom sanding, hard-surface sanding, metal, wood, glass, plastic, leather, paint, ... cellphone crust, digital camera crust, varnish and stone surface cutting and polishing, jewellery, mold, mechanism, artcraft etc.Oslong ...