General description This 12-piece bike pump adapter set is designed for versatility, making it ideal for inflating most bicycle tires, inflatable balls, and mattresses. Technical specifications Material: High-quality brass and plastic Includes: 4 valve adapters, 2 inflation needles, 2 right-angle AV extensions, 2 SV extensions, 1 air nozzle, 1 air hose Usage Compatible with most common air pumps, suitable for mountain bikes, road bikes, inflatable equipment, air cushions, life jackets, exercise balls, and balloons. Other information Product size is measured manually; there may be errors. Colors may vary due to different monitor displays; please refer to the actual color received. Please confirm the size before purchasing.