Suitable for Dunlop valve (DV), Presta valve, Blitz valve (BV), Presta valve (SV), Presta valve open => Schrader automatic inflation/valve (AV) to prevent air leakage, made of high quality pure copperquality, corrosion resistant, will not change color after long-term use.Ultra light and easy to carry: The 60g valve adapter takes up very little space and is very convenient to carry.You won't even feel the weight while driving and it won't add extra weight to your luggage.A little mouth to solve any inflatable problem.WIDE USAGE: 14 car valve adapters allow the installation of unsuitable valves on air pumps or gas station compressors.Basically suitable for all common valves.Suitable for mountain bikes, road bikes and fixie bikes with Presta valve tubes, also ideal for inflatable toys.Air mattress, sports ball, balloon, yoga ball, swimming ring, as long as installed, can inflate different specifications without purchasing different inflatable cylinders.The package includes 14 adapters with different specifications: 4 DV/SV valve adapters, 2 AV valve adapters, 2 SV valve adapters, 2 ball pump needles, 2 inflatable cone nozzles, 2 black cone adapters and 10 ring seals.