General description Valve Stem Puller Installation Tool Kit designed for easy removal and installation of tire valve stems. This comprehensive kit ensures a safe tire system by allowing users to replace old valve stems with new ones efficiently. Technical specifications Material: Durable steel (tool), Brass and Rubber (valve stems), Plastic and Metal (valve core removal tools) Color: Silver (tool), Red and Black (valve core removal tools) Rim Hole Diameter: 11.5 mm / 0.453 inch Includes: 22 tire valve stems (10 TR412, 6 TR413, 6 TR414) and 10 valve cores Compatibility and accessories Suitable for repairing tubeless tires for cars, bicycles, motorcycles, trucks, RVs, ATVs, etc. Includes 2 valve core removal tools and 1 valve stem puller installation tool Usage Use the tool to remove old valve stems and install new ones Can also be used to disassemble the car air conditioning valve