TR412 Valve Stem: 3.3 x 2 x 1 cm, suitable for rubber clip-on car tire valve stems without tube holes. Installation: Remove the old valve stem and reinstall the new valve stem, no need to worry about scratching the wheel or damaging the valve stem. This tool set is easy to carry and use. Using the principle of leverage to quickly disassemble or install the valve can effectively save labor. Tool Material: The tire valve stem puller is made of high quality alloy, sturdy and durable with long service life. Valve: Inner zinc alloy + outer rubber. Single and Double Valve Core Removers: Plastic handle + sturdy steel rod with corrosion-resistant coating. Suitable for repairing tubeless tires of passenger cars, motorcycles, ATVs, dirt bikes and trucks. TR412 33-Piece Valve Installation Tools Includes accessories: 10 valve cores, 10 valve covers, 10 TR412 valves, 1 double-head valve core remover, 1 valve stem remover, 1 4-in-1 removal tool. Scope of application: valve cores for RVs, cars,