Traxxas #1747P is a set of four pink-anodized aluminum 4mm flanged and serrated lock nuts for Traxxas vehicles. The serrated base grips the wheel to keep it from loosening. Brilliant pink anodizing allows you to customize your ride. Use Traxxas stock and hop-up replacement parts to get the most out of your Traxxas RTR vehicles. This product is made from high quality materials and designed for long-lasting performance. This is replacement hardware for use on Traxxas vehicles; consult your user's manual for exact parts listings.