These are only for the wheel hex which is 6-hole style, like 1.9 2.2inch VP rims, not include the screws.
The height of 6mm is not fit to Traxxas TRX4.
Made of high quality metal
Easy to install and durable
It can extend or reduce the wheel distance
Material: Aluminum
Color: Black/ Silver
Wheel Hex: 12mm
Thread Diameter: 3mm
Height: 6mm/ 9mm/ 12mm/ 15mm/ 18mm/ 22mm
Diameter of Center Hole: 7mm
Package List: 2 x RC Car 12mm Wheel Hex

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