<h3>About this item</h3><ul> <li>Valve Stem Removal Tool: The valve stem tool is made of steel construction, which is sturdy, corrosion-resistant, not easy to rust. Use the valve core tool to remove the old valve stem and install the new valve stem, provide safe tire sytstem.</li> <li>Tire Valve Stem: The valve stem is made of brass and rubber, Snap-in design, convenient to install and disassemble; Rim Hole Diameter: 11.5mm/0.453"; 100% ozone and leak test.</li> <li>Valve Core Removal Tool: Color: Red, Black; Material: plastic, metal. The valve stem tool can be used to disassemble car air conditioner valve core and tire valve core.</li> <li>Wide Application: This valve stem kit is suitable for repair of tubeless tires, for car, bicycle, motorcycle, truck, RV, ATV etc.</li> <li>Product Include: 12PCS Tire Valve Stems with 12PCS Valve Cores (4PCS TR412,4PCS TR413,4PCS TR414) + 1PCS Single Head Valve Core Remover Tool + 1PCS Valve Stem Puller Installer Tool</li> </ul>