Traxxas 2554 Hex Drive Cap-Head Machine Screws 3x6mm (set of 6) Set of six 3mm x 6mm machine screws Countersunk head design Hex drive heads 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 TRX 2.5; consult your user's manual for exact parts listings