This set of 6 bicycle endurance valves are made of high quality copper material, high strength and excellent quality. The size is 2.4*0.6cm, widely used in all kinds of bicycles, dirt bikes, mountain bikes, recreational bikes. Easy to use, just insert the viewfinder, screw in the washer nut, then screw the rubber cover for easy installation. In addition, the insect repellent rubber is easy to replace and enough for daily essentials. This set includes 6 valves which are perfect for bike parts. It also works with French valve and Presta valve adapters, and comes with a valve cap for a variety of applications. A must have for the bike enthusiast.