The FLEX XC 3401 Dual Action Polisher combines an orbital motion with forced-rotation for the perfect shine! The FLEX XC 3401 Orbital Polisher is a true forced-rotation dual action polisher! What that means is this polisher not only orbits but it also rotates too, at the same time. This dual action gives the Flex XC3401 superior paint correction ability. The FLEX XC3401 quickly removes swirls, scratches, oxidation and other paint defects that cant be removed by other dual action polishers. This polisher is not limited to paint correction, in fact it's extremely versatile. The orbital motion of the FLEX XC 3401 Polisher makes it ideal for polishing and waxing too! This orbital polishing action is what makes the Flex XC3401 a safe polisher to use and very effective.