Size: 12mm x 8.5mm / 0.47 inches x 0.33 inches.
Package: 8pcs vacuum air nozzle nuts.

A set of up to four colors to meet any of your requirements.
The lightweight inner tube valve nuts are made of high grade aluminum alloy. This greatly reduces the impact on wheel balance, allowing the driver to achieve better race results.
The unique sealing ring not only improves air tightness, but also prevents the nut from loosening and wheel damage.
Bicycle inner tire valve nuts can be widely used for many different types of bicycles, such as road bicycles, mountain bicycles, flat bicycles, urban leisure bicycles, touring bicycles, folding bicycles and so on.