<b>Aluminum Alloy black stem tire valve caps with RUBBER RING (Flat Top) : </b><br>Metal stem tire valve caps can protect your valves from dirt and corrosion, help you to replace original bad valve cap of tyre. <br><br><b>Good quality material: </b><br>The valve cap is made of durable aluminum alloy and rubber which can extend service life of tire. <br><br>Universal size fits for most cars, bus, trucks, motorcycle, bikes and other vehicles. <br><br><b>Easy to hold and install: </b><br>With hexagon shape design, convenient to install. <br>Conveniently install or remove when you want to check air pressure. <br><br><b>Specifications: </b><br>Quantity: 12 pack<br> Material: aluminum alloy + O rubber seal <br>Color: black <br>Size: 16.8 x 10 mm/ 0.66 x 0.39 inch <br>Package includes: 12 x Tire valve dust caps <br><br>Warning: <br>Although these premium aluminum tire caps are anodized and resistant to corrosion, they can fuse to the tire valve stem if not cared for properly. Prior to installation and between reapplication, apply grease to help prevent fusion.