The Upgrades Wheel Adapter About 13g (0.46 Oz) per one, fitted to the wheels to lower the vehicles center of gravity,increase its stability.7mm hex matching stock wheel hub
This RC upgrades parts made of solid brass.CNC machined for precision,Stable in performance, not easy to oxidize and rust.
The Brass Extended Wheel Weights Hex Adapter can extending the track width for a wider stance and greater control and stability.
Package Included:4 x 13g (0.46 Oz) Hex Wheel Weight Hubs,4 x Pins,4 x Nuts.Easy installation and upgrade.