Features: Good Material: Luminous design which enables easy use at night. And this stem cap is heat-resistant rust proof and durable which will protect and decorate your car. Universal Fit: The Car tire valve caps are compatible with all standard valve stem including cars SUV trucks RVs bicycles bikes and other motor vehicles etc. Easy to Install: The package includes 4pcs air nozzle caps and a tool which makes the installation very simple and convenient. Warm Tips: We recommend you to wipe the valve element clean and keep it dry without water oil or dust.Open the original valve cover anticlockwise with a wrench and tighten the product clockwise. QualityAssurance:Ourproductwilldefinitelywinyourheartwithitshighquality!Ifyouhaveanyinquiries pleasecontactus. Specification: Material: ABS Cap Size: 17*13mm includes: 4 * Air Nozzle Caps "