This is a extension nut for 23mm hub (Hot Racing) Allow the use of Hot Racing Hub Cap WHC23 on Pro Line bead loc Wheel.
The flange distributes the load over a greater area, enabling a more secure install. CNC machined 6061-T6 construction. Threaded hex-shaped wheel nuts. With an internal o-ring to maintain position under the most severe conditions These screw onto the wheel hubs, locking on the wheels, and you can install the wheel cap
(2) Nut extension Adapter
two sets for each truck