15" Mud Cover Ring F/Nbl Wheelmud Cover Ring, Expander Mounting Ring, Bolt-On / Quick Release Hardware, Steel, White, Eachwheel Diameter15 Ininner / Outerouterfastener Styleboltsfastener Quantity3Quick Release Hardware Includedyesquick Release Spring Quantity3Ring Styleroundring Mountingadjuster Screwhardware Includedyesmaterialsteelcolorwhitefinishpowder Coatquantityeach