Keep your bike's tires in top condition with the valve core replacement kit. This kit includes brass valve cores and removal tool, making it easy to maintain your tubeless tires. Whether you're a casual rider or a serious cyclist, this kit ensures your tires are for the road or trail, providing a reliable seal. Features -Color:Assorted Color -Material:Metal, plastic -Size:5.50X1.00X1.00cm/2.16X0.39X0.39in -Sturdy copper core: features a sturdy textured copper core, ensuring durability and consistent performance -Convenient tubeless application: designed for use with tubeless tires, facilitating easy installation and replacement without hassle -Easily removable valve core: the removable valve core design allows for quick and easy maintenance, ensuring your tire always in optimal condition -Complete wrench tool set: comes with a versatile wrench tool set, providing all necessary tools for various applications and ensuring convenience -Effective vacuum valve: the vacuum valve feature allows for easy and precise tire pressure adjustments, promoting better tire performance and safety Package list: 18 x tire valve core set