HDE&reg; Silver Grenade Shaped Aluminum Tire Valve Caps - Set of 4 Aluminum Tire Valve Caps to replace lost, missing, or change the ones already on your vehicle Customize your car right down to the tires Materials: Anodized Aluminum Size: 0.64 /16.36mm; Color: silver; Package Contents: 4 x Silver Grenade Shaped Aluminum Tire Valve Caps HDE is a registered trademark and is the only authorized seller of HDE branded products