2 set Metal Wheel Rim Kit:1 set Silver & 1 set BlackUse: Vehicles & Remote Control ToysUpgrade Parts/Accessories: Wheel HubFor Vehicle Type: Cars; Remote Control Peripherals/Devices: Wheel HubFour-wheel Drive Attributes: Wheel HubRC Parts & Accs: Wheel HubTool Supplies: Wheel HubMaterial:metalColour:Silver & blackPackage Contents:8 * Wheel Hub8 * Combiner2 * accessories setOnly the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.