This set is a synthetic form of the aluminum spacers from Item 15473 JR Aluminum Spacer Set - 12 / 6.7 / 6 / 3 / 1.5mm. Each is approximately 40per cent lighter than its aluminum counterpart. Their low friction synthetic minimizes time loss from experience of program walls. 20 total spacers of 5 various thicknesses are included, enabling you to make pinpoint set-up modifications to your Mini 4WD machine.
• 2.1 x 4 x 1.5mm Spacer x4
• 2.1 x 4 x 3mm Spacer x4
• 2.1 x 4 x 6mm Spacer x4
• 2.1 x 4 x 6.7mm Spacer x4
• 2.1 x 4 x 12mm Spacer x4
• Special Purple colors.