Perfectly suitable for; most bicycle tires and most inflatable balls and mattresses. Package Contents: 4 x Valve Converter, 2 x Inflation Needle, 2 x AV Extender right angle, 2 x SV extension, 1 x compressed air nozzle, 1 x air hose. Material High quality brass material; : The bicycle valve seal kit is made of high quality brass and plastic, is resistant to damage. corrosion, not easy to fade after hard use. long term, is durable, has a long lifespan and has threads and soft rubber to prevent leaks. Wide range of uses: very suitable; for sports balls, rafts and inflatable toys. Suitable for; most gas pumps; bike. Dunlop Valve (DV), Presta Valve, Lightning Valve (BV), Sclaverand Valve (SV), Open Presta Valve => Schrader / Automatic Valve (AV). Angled extension valve 90 degree brass, American valve, American valve, with cap and core, suitable for: all passenger cars, light and heavy trucks, motorcycles and motorhomes with standard tire valves. This extension can easily control and inflate dual tires, allowing you to use a tire pump. foot or a compressor to inflate the tires. Wide range of uses: these standard size bicycle valve seals are suitable for most gas pumps; air currents, not only for mountain bikes, road bikes, etc., but also very suitable for inflatable equipment, air cushions, swimming rings, swimming balls. fitness, balls, etc.