1、Made of quality material, durable and sturdy, having long service time. 2、CNC machining treatment process, high precision, good matching. 3、Fine workmanship, wear-resistance and corrosion-resistance. 4、Special designed for extending or reducing wheel distance. 5、Simple and convenient for installation, easy to use and operate. Features: 1. Made of quality material, durable and sturdy, having long service time. 2. CNC machining treatment process, high precision, good matching. 3. Fine workmanship, wear-resistance and corrosion-resistance. 4. Special designed for extending or reducing wheel distance. 5. Simple and convenient for installation, easy to use and operate. Specifications: Condition: 100% Brand New Material: Aluminum Alloy Thread Diameter: 3mm / 0.1in Wheel Hex: 12mm / 0.5in Optional Height: 6mm/ 9mm/ 12mm/ 15mm/ 18.4mm/ 22mm Diameter of Center Hole: 6.7mm / 0.3in Fitment: Fit for SCX10 VP RC Car 1.9/2.2inch Wheel Package List: 4 * Hex Hub Adapter Note: New and old models will be sent randomly.