Description: Air Pump Needle Valve Adapter Set, Needle Nozzle Adapter, Different Bike Valve Adapters allow you to fit different valves. Size: All adapters have a thread diameter of 0.7cm/0.28in, which is a common size for most air pumps. Material: These ball pump pins and adapters are made of high quality brass, which is not easy to break, and has a long service life and durability. Wide range of applications: The air pump needle valve adapter is suitable for most pumps, and can be widely used in various inflatable toys and sports balls such as bicycle tires, swimming rings, basketball, football, volleyball, rugby, yoga ball, etc. Portable Kit: The pump tool kit is lightweight and space saving. It is easy to carry and store. Specification: Material: metal plastic Size: Approx. 8 Pieces: Ball needle: 7.5x38mm/0.30x1.50inch Adapter: 1.82cm/0.72inch 7 Pieces: Ball needle: 7.5x38mm/0.30x1.50inch Long hat: 4.3cm/1.69inch Short hat: 2.88cm/1.13inch Inflatable tube: 16.5cm/6.50inch 5 Pieces: Ball needle: 7.5x38mm/0.30x1.50inch Long hat: 4.3cm/1.69inch Short hat: 2.88cm/1.13inch Inflatable tube: 16.5cm/6.50inch Package Includes: 8 Pieces: 2 Pieces Metal Ball Pins (us Thread) 4 Pieces Nozzles 2 Pieces Metal Adapters 7 Pieces: 4 Pieces Ball Pins 1 Piece Hose 2 Pieces Cone Nozzles 5 Pieces: 2 Pieces Ball Pins 1 Piece Hose 2 Pieces Cone Nozzles(4 Pack) Note: 1. Please allow slightly error due to manual measurement. 2. Due to the difference between different monitors, the picture may not reflect the actual color of the item. 3. Wish you a wonderful on line shopping!