Pump adapter 12 Ideal part for most bicycle tires and most balls and inflatable mattresses. Package Contents: 4 x Valve Converters, 2 x Inflation Needles, 2 x AV Right Angle Extensions, 2 x SV Extensions, 1 x Air Nozzle, 1 x Air Hose. Material Quality brass material: The bicycle valve adapter set is made of high quality brass and plastic, corrosion resistant, not easy to fade after long time use, durable, long lasting of life and has threads and soft rubber to prevent leaks. Wide Uses: Great for sports balls, rafts and inflatable toys. Fits most bicycle pumps. Dunlop valve (DV), Presta valve, Lightning valve (BV), Sclaverand valve (SV), Presta valve on => Schrader/auto (AV) valve. Brass 90 degree elbow extension valve, Schrader valve / American valve, Comes with cap and core, which is suitable for all passenger cars, light trucks and heavy duty heavy duty, motorcycle and recreational vehicles with standard tire valves. The extension makes it easy to control and inflate your dual tires, allowing you to use a floor pump or compressor to inflate your tires. Widely Used: These bicycle valve adapters from standard size are suitable for most common air pumps, not only for mountain bikes, road bikes, etc., but also very suitable for inflatable equipment, air cushions, swimming rings, exercise balls, balloons, etc.