Product Details: The Roadmaster Inc Hub Cap is the perfect protection for your wheel. It prevents dust, dirt and contaminants from entering your wheel, keeping it clean and safe. The hub cap is designed with 4 notches which are compatible with the corresponding notches on the axle, ensuring a secure fit. The chrome finish adds a stylish touch to your wheel, while the design is specifically made to fit in axles. FleetPride is your First Click in Heavy Duty®.