This priceless spacer set features spacers of 5 various thicknesses, helping you to make pinpoint setup modifications towards Mini 4WD unit. This variation enables you to include a splash of color set alongside the standard silver set as seen in item 15473. These blue anodized aluminum elements can be used with rollers, straight back stays, braking system sets and so on! Proportions are defined by the annotated following: (internal diameter x external diameter x size) 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