1Brass Material: Made of brass material, rustproof, wearproof, and durable, providing stability and reliability with a long lifespan. Compatible for SCX10 II 90046. 2Stable: Add weight and increase stability on difficult obstacles to better crawling experience. Exceptional climbing capabilities and overall performance on challenging terrains. 3Anticorrosion: Superb craftsmanship, chamfered edges add elegance, and the black hard coating adds a bright touch to your vehicle, preventing rust. 4Perfect Fit: Accurate size ensure balanced driving, enhancing the realism and improving balance and control of the remote control car. 5Easy to Install: Reasonable design for easy installation and removal, allowing direct replacement of original or damaged parts for increased strength.