Product Description: 12-piece pump adapter. Ideal for most bicycle tires and most inflatable balls and mattresses. Package includes: 4 valve adapters, 2 inflation needles, 2 right-angle AV extensions, 2 SV extensions, 1 air nozzle, 1 air hose. Function: The bicycle valve adapter kit is made of high-quality brass and plastic, corrosion-resistant, not easy to fade after long-term use, durable and long-lasting, with thread and soft rubber to prevent leakage. Features: These standard-sized bicycle air nozzle adapters are suitable for most common air pumps, not only for mountain bikes, road bikes, etc., but also very suitable for inflatable equipment, air cushions, life jackets, exercise balls, balloons, etc. Package includes: bicycle valve adapter * 1 Key points: 1. Product size is measured manually, there may be errors. 2. Since different monitors display different colors, please refer to the actual color received. 3. Please confirm the size before purchasing.