Traxxas 5733 Propeller, 42x59mm Black nylon construction Includes one propeller Replacement for worn or damaged propeller 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 Spartan, consult your user's manual for exact parts listings.