Bullet Points: 1High-Quality Materials: Our tire valve caps are made of high-quality Zinc alloy, strong, wear-resistant, and processed to withstand different environments, especially suitable for outdoor use. You will receive a total of 4 metal valve caps to cover all your car valves and provide additional installation accessories. 2Rubber Ring Seal: All wheel valve stem caps have rubber rings, which will not leak air on long-term, sturdy drives, and properly prevent dust, dirt, dirt and road debris. 3Easy to Use: They are in beautiful design and easy to install. The hexagonal design makes the grip easier and more convenient. 4Multifunctional Applications: Together with cars, trucks, SUVs and motorhomes, these metal valve stem covers can be used for cross-country bikes, road bikes, motorcycles, etc. 5Individual Design: Individual design patterns highlight individual sportiness. We provide the best tire valve caps today, because each piece is custom-designed and can be tightly locked to ensure a firm fit. Specification: Material: Zinc alloy Colour: black Single size: about 13mm*9mm/0.51*0.35in Weight: about 15g/bag Applicable models: motorcycles, bicycles, automobiles Packing List: 4*Valve Cap 1*Hex Wrench 4*Small Screw Notes: Due to the lighting effects and shooting angles, there is color difference in the product, please understand. Due to manual measurement, there is a tolerance in the product size.