The valve core set is designed for cyclists who performance from their bikes. With a pack of valve cores and anodized alloy caps, this set provides everything you need for quick and easy replacements. for both road and mountain bikes, it ensures your tires stay inflated and ready for any . Features -Color:Assorted Color -Material:Metal, plastic -Size:5.50X1.00X1.00cm/2.16X0.39X0.39in -Robust copper core: made with a robust textured copper core, this product has durability and reliable performance under various conditions -Simplified tubeless design: specifically designed for tubeless tires, making the installation and replacement process quick and easy -Userfriendly valve core: the removable valve core allows for effortless replacement and maintenance, ensuring minimal downtime - tool set: includes a comprehensive wrench tool set, meeting diverse needs and providing all essential tools in one convenient package -Precision vacuum valve: equipped with a vacuum valve function, enabling precise tire pressure adjustments for enhanced performance and safety Package list: 18 x tire valve core set