Premium quality instead of quantity: the workmanship of all parts is high quality, robust and made compatible with long-lasting use. You can use it with confidence.Durable and robust: this bicycle valve set is made of high-quality zinc alloy, copper and plastic, they are more durable, safe and reliable.Easy to use: the valve insert can be easily removed and installed by hand. then you no longer have to worry about bicycle tyres, you can ride your bike easily and comcompatible withtably.Wide range of applications: bicycle valves and accessories, suitable compatible with common bicycles with flashing valves / city bikes / city trekking bikes / childrens bicycles and all bicycles with standard valves.Colour:black + silverMaterial:MetalPackage Contents:16 x valve inserts16 x valve protective caps16 x union nuts16 x rim nutsOnly the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.