Traxxas 2632R 30-Degree Caster Blocks (pair) Use on the left or right 30-degree caster blocks Use only Traxxas 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, consult your user's manual for exact parts listings