Bicycle Valve Adapter Kit - Standard size adapter fits most bicycle pumps. Suitable for Dunlop, Presta, Schrader, and Sclaverand valves. Presta to Schrader Premium Adapter - All accessories are made of high-quality pure copper with screw threads and soft rubber. The rubber seal prevents leaks, ensuring durability and corrosion resistance. Maintains color even after extended use. Easy to install and lightweight for convenient portability. Simply screw on and use with a floor pump or automotive compressor to inflate tires. Ideal for use with mountain bikes, road bikes, fixie bikes with Presta valve tubes, as well as inflatable toys, air mattresses, gym balls, and yoga balls. Package includes: 4 x DV/SV valve adapters, 2 x AV valve adapters, 2 x SV valve adapters, 2 x ball pump needles, 2 x glued inflatable sprinklers, 2 x black cone adapters, and 10 x sealing rings.