Traxxas 1953 Half Shaft Pro Pak (set of 6) Half shaft pro-pack Includes internal-splined (6)/ external-splined (6) (plastic shafts only) Replaces 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 Rustler; consult your user's manual for exact parts listings