Bicycle Adapter Pump Adapter Ball Pump Needle Nozzle Adapter Kit Feature: COPPER MATERIAL: Except 2 hard plastic valves, all these universal bicycle accessories are made of copper with screw threads, which is extremely corrosion-resistant. Suitable for electric or manual pump and durable. WIDE USE: Bike adapters for bicycle, car, motorcycle tires;. Like mountain bikes, road bikes, fixie bikes with Presta, also ideal for inflatable toys, bed, gym ball,, Yoga Ball, swim, ect. EASY TO INSTALL: These Bike Adaptors are so light and can be left on the Presta. That's a time if you are using a compressor to inflate your tires. No need to the Shrader Adapters. INFLATOR ACCESSORIES: these needle inflator tools are in general size and design,easy to use and store; does not take up much space at all,good accessories for compressors, electric pumps and almost any hand pumps QUANTITY: 15 Piece Set various specifications adapters: 6xDV/SV adapters(with sealing ring), 2xAV adapters(with sealing ring), 2xSV adapters, 2xBall pump needles, 1xtaped inflatable nozzle(with sealing ring), 2xBlack adapters. With this set, you will have a solution at hand for all types and enough for your demands.