4pc Hub Caps Carbon Fiber Gray / Charcoal Silver / Gunmetal 15" Wheel Cover Cap Set of 4 Hub Caps, each 15 Inch Gunmetal Finish. Chrome Decorative Lug Nuts are affixed, non-removable. Will clear over your wheels lug nuts. Easy Snap In "clip-on" Metal Retention Ring. Made of ABS Plastic trendy design. Best Aftermarket Hub Cap in its price range.