Item Type: RC Car Gearbox Case Base Set_x000D_Material: Aluminum alloy_x000D_Application: Suitable for Traxxas TRX4M 1/18 RC car 1PROTECTIVE FUNCTION: The gearbox housing can better ensure your internal gears away from rock damage with a direct replacement of the original plastic gearbox. 2ALUMINUM ALLOY: The gearbox shell is made of aluminum alloy, with fine workmanship, sturdy and durable, stable and reliable, and long service life. 3FIXING SCREW: The set comes with fixing screws, which can provide a balanced ride, enhance the simulation of the RC car, and also prevent corrosion. 4FINE WORKMANSHIP: The gearbox shell and base are exquisitely crafted, improving the overall texture, enhancing the simulation of the RC car, increasing shock resistance and high compression resistance. 5EASY INSTALLATION: Reasonable design, easy installation and disassembly, can directly replace the original or damaged parts for higher strength. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-DIMEANI official store