No packaging, bulk product, 2 sets. Dead stock, unused. (Although they were stored in a warehouse for a while, the condition is good.) Left and right 2:2, 4 pieces per set. Black plastic knobs, nickel-plated. Bushings and mounting screws included. 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 the instrument.