12 Pice pump adapter ideal for most bicycle tires and most inflatable balls and mattresses. Package contents: 4 x valve converters, 2 x inflation needles, 2 x AV right angle extensions, 2 x SV extensions, 1 x compressed air nozzle, 1 x air hose. Brass 90 Degree Elbow Extension Valve, American Valve / Valve, Comes complete with cap and core, which fits all passenger cars, light and heavy trucks, motorcycles and recreational vehicles with standard tire valves. The extension makes it easy to control and inflate your twin tires, allowing you to use a foot pump or compressor to inflate your tires. . Made of copper: All of these are made of copper with an extremely strong and corrosion resistant thread. Thanks to the high-quality workmanship, the set will be a long-term companion. . Different valves are needed for different uses: for wheels, balls, air mattresses or other similar uses. .