1.Covers all your needs: There are different adapters in the package and allows you to adapt unsuitable valves to air pumps or gas station compressors.2.Good quality: These adapters are made of copper, very durable and corrosion resistant, you can use them for a long time.3.Compact and portable:These adapters cover the most common air pump, compressor or equivalent connection systems. They are light and just takes tiny space in emergency luggage. But in an emergency they will be very useful.4.Easy to use and airtight:Designed with screw threads and sealing ring, easy to install and hermetically seals. You can use them any where and any time easily.5.Inflate balls:Valve pin with screw thread for football, volleyball, basketball, air mattresses and much more. With the valve set you can easily adjust your inappropriate bicycle valve, car valve, air pump valve or compressor valve.includes:12pcs x Valve Adapter