Update your semi truck's wheels with enhanced protection against dust, debris, and oil, with the SKF Oil Fill 4-Hole Hub Cap that ensures you're Ready for the Road Ahead™. Thanks to its exterior cover that shields against harmful roadside materials, this removable hub cap is the ideal choice to guard a wheel's lug nuts, bolts, and axles. Crafted with rugged metals and a streamlined design for an easy-to-install or remove procedure. FleetPride is your First Click in Heavy Duty®.