No packaging, bulk item. Dead stock, unused. (These items were stored in a warehouse for a while, but are in good condition.) Set of 4 pieces, 2:2 (left and right). Black plastic knobs, nickel-plated. With bushings and mounting screws. Gear ratio: 14:1. Basically, returns and exchanges are not accepted. Installation is at your own risk. Please note that we are not responsible for any damage to your instrument.