【Compatibility】The brass wheel hex fit for 1/18 TRX4M Bronco/Defender
【Top Quality】Made of high‑quality brass material, CNC machined for precision and strength, the wheel hub is wear-resistant, strong and durable, ensure long term use
【Excellent performance 】5mm / 7mm thickness to extend the distance of the wheel, increase the vehicle's stability, cornering speed, and brake efficiency
【Stable Operation】Heavier weight can lower the center of gravity, making the crawler car more stable during climbing and avoiding overturning during climbing
【Package Included】You will receive 4 * 5mm wheel spacers and 4 * 7mm wheel spacers