Feature: *These adapters are made of high-quality copper, very durable and corrosion-resistant, so you can use them for a long time. *These bicycle valve adapters cover most air pumps, compressors, or equivalent connection systems. *The bicycle valve adapter is lightweight and takes up very little space in emergency luggage. But they will be very useful in an emergency. *The air pump accessories are designed with a thread and a sealing ring, easy to install and seal. You can easily use them anytime and anywhere. *Different bicycle valve adapters allow you to adapt to different valves. Specification: Material: Copper. Color: As pictures shown. Dimensions: As picture shown. Package Included: Bicycle Valve Seal * 1 Set Notes: Due to various factors such as the brightness of the display and the brightness of the light, the actual color of the item may be slightly different from the pictures shown on the website. Manual measurement data may have a slight deviation.