1: Bicycle valve adapter, ball pump adapter kit: Have you ever been troubled by tires and balls that cannot be inflated? The car valve adapter is your best choice, and the 10pcs different specifications can meet different inflatable equipment. Don't worry about other specifications. 2: Ultralight and easy to carry: The mini metal box packaging valve adapter requires very little space and is very convenient to carry. 3: Widely used: 10 pcs Car valve adapter Allows the adjustment of inappropriate valves for air pumps or station compressors. Basically suitable for all common valves. Suitable for mountain bikes, also ideal for inflatable toys. Air bed, sports ball, balloon, yoga ball, swim ring, it can inflate various specifications without having to purchase various inflatable cylinders. 4: The package contains 10 different specifications. Adapter: 1x DV SV valve adapter, 1x AV valve adapter, 1x SV valve adapter, 5 x ball pump needle, 2x conical inflatable nozzle.