The sp18va(h) 11. 0 amp variable speed disc sander/polisher is capable of sanding metallic surfaces, Preparatory sanding of metallic and wooden surfaces prior to painting, removal of paint and rust, finishing woodwork, making flush joints of wooden plates, finishing and polishing metallic surfaces such as motor vehicles, refrigerators, elevators, etc. , polishing lacquered surfaces on wooden products, and polishing synthetic resin and ebonite products.