Outfit your semi truck's wheels to be Ready for the Road Ahead™ with enhanced protection against dust, debris, and oil, with the Power Products Baby Moon Front Hub Cap. By attaching to the external frame of a wheel, this removable hub cap protects the lug nuts, bolts, and axles from harmful roadside materials. Built with sturdy metals and a simplified design for an easy-to-install or remove procedure. FleetPride is your First Click in Heavy Duty®. Hubcap Dimensions: Length: 9.90" Height: 2.95" Width: 9.40"