Black Anodized Aluminum Alloy Hexagonal 8mm Tire Wheel Stem Air Pressure Ventil Port Valve Cap Auto Sport Car SUV Sedan Coupe Truck 4 Piece Set Help to prevent leakage, dirt and other objects from damaging cores Give your vehicle a clean and elegant style Waterproof and dustproof. A rocket shape can make your car look more attractive and special Direct Replacement, No Modification needed.