About this item ?【ANTI-SEIZE DESIGN】- The tire valve stem caps come with metal shell and plastic insert, which will prevent the valve stem from corrosion, special in wet/cold area. ?【WIDE COMPATIBILITY】- Our tire air caps are compatible with all American standard schrader valve stem. Include cars, SUV, trucks, RVs, bicycles, bikes and other motor vehicles, etc. The inner diameter of tire air caps is 7mm/0.31inch, and the inner height is 13.9mm/0.54inch. ?【EASY to INSTALL】- With the simple and smooth horizontal stripes design, DECURCAR valve stem caps are easily hand tightened or took off. ?【LEAK-PROOF】- Built-in One-piece sealing ring inside the plastic liner with leak-proof function. Prevent damage to the car due to tire leaks. ?【FASHION APPEARANCE】- DECURCAR valve stem covers are made of durable light-weight aluminum alloy with emblem laser-etched. The anodized metallic finish looks very stylish and fashion. It's perfect gift for friends, boss, family members and etc. › See more product details