This priceless spacer set features spacers of 5 different thicknesses, allowing you to make pinpoint setup adjustments towards Mini 4WD device. This variation lets you include a splash of color compared to the standard silver set as noticed in item 15473. These blue anodized aluminum elements can be utilized with rollers, right back remains, brake sets and so on! Measurements are defined by the immediate following: (internal diameter x outer diameter x length) 2.1mm x 4mm x 1.5mm Spacer x2 2.1mm x 4mm x 3mm Spacer x2 2.1mm x 4mm x 6mm Spacer x2 2.1mm x 4mm x 6.7mm Spacer x2 2.1mm x 4mm x 12mm Spacer x2