Specially designed tire valve stem cap made of premium high-strength lightweight anodized billet aluminum. The OEM logo is a full-colored graphic with a poly-resin clear dome. The 5/8" diameter top is 30% bigger than the others. Hexagon Shape design has an elegant look from every angle. Each cap has a deep thread that will cover most of the stem, inside fitted with a rubber O-ring to ensure a perfect seal and is waterproof. Sold as a set of 4, the size is about 0.5"x0.5"x0.75". It will fit most vehicles with standard tire valves, like cars, SUVs, trucks, etc. Note: Although this premium aluminum tire cap is anodized and resistant to corrosion, it can fuse to the tire valve stem if not cared for properly. Before installation, apply lubrication oil to help prevent fusion. The valve cap color may fade when exposed to the sun, snow for a long time.