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A poly v belt pulley is a simple machine consists of a wheel over which a rope, belt, chain, or cable runs. A single wheel mounted in a block and fixed in place simply changes the direction of force exerted on the rope passing over it. A poly v belt pulley includes a rib-and-groove face belt for service as a transmission belt, conveyor belt, and a pulley over which the belt is trained. The pulley has a spool with grooves and ribs to correspond to and mate with the rib-and-groove surface of the belt. And the v belt is used to move parts or materials from one location to another.