Specifications: 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 Set Quantity: 15Pcs/Set Material: Plastic + Copper Plastic 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'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)