1. Easy steps: Use the tire valve repair tool to deflate the tire, then insert the T Hooks into the gaps between the wheel hub and the valve core and pull out the valve core with the hook, install the valve cores on the push rod and install the valve core through the tapered positioning tube. 2. Purpose: Quick change tire valve installer tool ensures the correct installation and replacement of valve nozzles, simple and convenient to use, saving time and effort. 3. Material: Quick change tire valve tool kit is made of metal and pp materials, which are strong and wear resistant to ensure long term performance and reliability. 4. Quick change tire valve tool kit: This tire valve stem repair and installation tool kit is designed to provide all the tools needed for efficient tire maintenance and repair, suitable for cars, motorcycles, etc. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-dadangjia