These are Hi-Mount Stabilizers useful for Mini 4WD cars. This variation will come in as Limited-Edition yellow color to add a splash of accent color towards vehicles color theme. • Hi-Mount Tube Stabilizers x3 • Stabilizers are for attachment to front rollers. They help balance the car if it loses form during a corner. • Stabilizer measurements: 8mm diameter, 10mm tall. • Parts are molded in clear yellowish synthetic. • Little parts for attachment included. • suitable for Mini 4WD & Mini 4WD PRO automobiles.