The sand blaster can be used to clean EVERY imaginable surface. From hardened steel, to soft wood, to sheet metal to soft aluminum, from log homes to swimming pool tile, from engraving the date of death on your tombstone, brick, cement, iron, wood, fiberglass, ceramic, stucco, CMU’s, glass, limestone, marble, granite, brass, copper and it will make that old restoration project be just like new whether it’s a tractor, car or a boat.