Covers all needs: with different bicycle pump adapter kit, you can adjust inappropriate valves to air pumps or gas station compressors.For use in car compressor, SV, AV, DV bicycle valve.Except 2 hard plastic valves, all these universal bicycle accessories are made of copper, which is extremely corrosion-resistant and durable.Valve needle for ball pump (length approx. 40 mm) with screw thread for football, volleyball, basketball, air mattresses and much more. Type: Bike Pump Adapter SetQuantity: 15Pcs/SetMaterial: Plastic + CopperPlastic Adapter Size: 43.6mm x 7.5mm/1.72" x 0.30" (Approx.)Copper Adapter Head Size: 26mm x 5mm/1.02" x 0.20" (Approx.)Notes:Due to the light and screen setting difference, the item& 39;s color may be slightly different from the pictures.Please allow slight dimension difference due to different manual measurement. Package Includes:1 Set of Bike Pump Adapters(with Seal Rings)