Ⅰ. This bicycle valve conversion tip is crafted from brass and rubber o-ring for durability and sealing. It is designed to switch between French and American air nozzles, ensuring a secure and leak-free connection. Ⅱ. Main Features: · Made of brass and rubber ring to enhance durability and wear resistance. · Compact and lightweight, making it easy to carry and use anywhere, anytime. · Suitable for a variety of uses, including mountain bike, swimming rings, basketball, football, volleyball, etc. · Has a built-in sealing rubber ring to prevent leakage during inflation. · Copper material with iron ball gold ensures a sturdy and durable product. Ⅲ. Specifications: · Material: Copper · Color: Gold · Package weight: Approx. 40g / 1.4oz Ⅳ. Package includes:· 10 x Bicycle Valve Conversion Nozzle Ⅴ. This bicycle valve conversion nozzle is designed to be a reliable and convenient solution for converting between French and American air nozzles, ensuring a secure and leak-free connection. With its durable construction and design, it is a tool for cyclists and ball enthusiasts.