Traxxas 5657 Cross Pin and Drive Pin for Driveshafts (set of 4) Steel construction Includes four of each Replacements for worn or damaged parts Use Traxxas stock and hop-up replacement parts to get the most out of you Traxxas RTR vehicles This product is made from high quality materials and designed for lasting performance This is for use on RC vehicles such as the Traxxas Summit; consult your user's manual for exact parts listings