Feature:1. There are two different models of French valve core and American valve core, which can be converted to each other.2. The air nozzle has a built‑in sealing ring, no air leakage, suitable for bicycles and cars.3. A novel, small, multi‑functional and convenient tool designed for valve installation and disassembly.4. Strict quality control and quality assurance, high safety factor, can be used with peace of mind.5. The top of the blue valve core can be equipped with a pre‑core, and the middle and the tail are equipped with Schrader Valve cores.Specification:Item Type: Valve Core Tool SetMaterial: AluminumWeight: Approx.52g/1.8ozFeatures: Built-in Sealing Ring, No Air LeakageSuitable for: Bicycles and Cars Package List:5 x French Valve Core5 x American Valve Core10 x Gas Nozzle Cap5 x American-French Conversion Head1 x Valve Removal Tool