4pcs Universal Car Wheel Tire Valve Stem Caps Dust Covers Aluminum Tire Wheel Stem Air Valve Cap Car Accessories//4PCs Universal Car Wheel Tire Valve Stem Caps Dust Covers Aluminum Tire Wheel Stem Air Valve Cap Car Accessories Features: Made of high quality chrome aluminum. Lightweight and unique design, durable, anti-rust. Best replacement for the old valve caps. Prevent dirt and water get into the inside of valves and potentially. Jamming or contaminating the selling surfaces and causing a leak. Descriptions: High performance and super exquisite workmanship. No tools required, easy installation. Best decoration and protection for your car. Specifications: Material: Aluminum Size: Length:15mm, Diameter: 9mm Inner diameter of the bottom: approx. 7mm