The Power Products Hub Cap is the perfect way to protect your wheel from dust, dirt and contaminants. This hub cap is designed specifically to fit in 7.25" axles and features a classic baby moon style with a chrome finish. It's easy to install and provides superior protection for your wheel. FleetPride is your First Click in Heavy Duty®. Chrome Finish Mounting: 12 ea 1/2” Studs or 8 ea 9/16” Studs Dimensions: Length: 7.80" Height: 2.65" Width: 7.80"