Features: Made of heavy duty hardened steel, long time service Durable metal construction Work smoothly, long-lasting performance Black oxide finish Specifications: Name: 54T main spur gear Material: Steel Color: Black Suitable for models: for Traxxas Slash 4×4(2WD), Rustler 4×4 VXL (2WD) Attention: The oil on the surface of the gear prevents the gear from rusting and ensures long-term use Package List: 1* Gear(with 6 pics screw)