This priceless spacer set features spacers of 5 different thicknesses, enabling you to make pinpoint setup corrections towards Mini 4WD unit. This variation allows you to include a splash of color compared to the standard silver set as seen in item 15473. These blue anodized aluminum elements can be employed with rollers, right back stays, brake sets and so forth! Dimensions 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