Features: Easy to install: The tires are easy to install. Function: These wheels are light in weight, increasing vehicle stability and speed Appearance: Novel appearance and exquisite workmanship. Whether navigating indoor tracks or tackling outdoor terrains, these tires provide excellent grip and maneuverability for competitive game and road adventures. Achieve professional grade customization with these multi application wheels designed for seamless integration with popular diecast car models and Remote Control truck accessories. Specifications: Component: Plastic Size: Approx.31x13mm/1.22x0.51inch Color: 5 Option Quantity: 4 Pcs Package Includes: 1 Set Wheel Tires(4pcs) note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you donot mind before you order. 2.Due to the differences between different monitors, the picture may not reflect the actual color of the item.