This item is a set of 15 pcs bike valve, which is made of copper and plastic. They are light, easy and convenient to install. Can convert a to a valve, also turn a UK into a US valve. Used with a pump or compressor.Nice and wonderful accessories for choice. Features - Color: Golden. - Material: Plastic and copper. - Size: 4.50 x 1.20 x 1.20cm/ 1.77 x 0.47 x 0.47 inch. - Covers all needs: with different bike pump adapter kit, you can adjust inappropriate valves to air pumps or gas station compressors. - Except 2 hard plastic valves, all these bike accessories are made of metal, which is extremely and durable. - Thanks to the workmanship, the set will be a long companion. - Lightweight design, appearance, and easy to use. You will certainly not take up much space in your emergency luggage. - Can be very useful in the case of the case. You will not lose them after use, will have them for years. Package list: 4 x to British inflatable mouth 4 x plastic inflatable mouth 4 x inflatable needle 2 x English inflatable mouth 4 x English to inflatable nozzle 12 x to inflatable nozzle