Meet All Needs: Small but comprehensive, SV AV DV adapter. There are 3 kinds of adapters (English, American, French) in the inflation adapter set to meet all your needs. You can adjust inappropriate valves to air pumps or gas station compressors.Copper: Except for 2 hard plastic valves, all of these bike valve adapters are made of threads and are extremely corrosion resistant and durable. Even if used for a long time, it will not break easily.Lightweight and Portable: The box perfectly solves the problem of messy parts and easy loss. The bicycle tire valve converter box will not occupy too much space in emergency luggage and can also be carried. They will be very useful in an emergency.Easy to Use: The valve adapter is lightweight and convenient to use. It only takes a few seconds to screw the adapter directly onto the stem. This will allow you to use foot pumps or car compressors to inflate tires and pumps.Multifunctional Ball Needle: Our inflatable pump needles come in standard sizes and can be widely used in various inflatable toys and sports balls, such as swimming rings, basketball, football, volleyball, rugby, yoga balls, etc.