Brass Extended Wheel Hubs is made of high quality brass material, each hex agonal corner weighs 2g, and the nut is also made of brass with an inner locking nut design, so you don't have to worry about the fixing of your hub.
Please note:The nut diameter is 3mm. Please pay attention to the diameter of your hub hole center to avoid a mismatch.
Heavier brass wheel weights to lower the center of gravity to increase stability and trafficability.
The brass surface is plated and oxidized to black, presenting a novel image and making your RC car look cooler.