Quickly change the valve tool kit, which is very suitable for leaking valve stems. You can replace the valve stem without disassembling tires. Features a solid steel structure and an industrial-grade nylon handle. Designed to replace the tire valve within 15 seconds. T-shaped hooks can quickly pull out the valve core. The cone positioning tube provides guidance and positioning when installing a valve core. The metal push pole can accurately push the valve core into the pillar hole. Our engineers have repeatedly improved and tested the product structure and materials. The tool fits most edge holes with 11.3 mm (0.453 inches). Not suitable for 5/8 inches (15.8 mm) valve cores. Not suitable for tires with tire pressure monitoring system (TPMS). Suitable for cars, small trailers, light trucks, lawn mowers, single wheels, ATVs, and motorcycles. Instructions: 1. Deflate the tire. 2. Insert the T-shaped hook between the hub and the valve core, then rotate the hook to pull out the valve core. 3. Install the new valve core onto the push pole. 4. Align the cone-shaped positioning tube with the valve hole, and insert the valve core through the tube. 5. Rotate the push rod to release the valve core. Type: A Color: As Shown Material: Metal Package Contents: 1 set x Tire Valve Tool Note: Light reflection and different displays may cause slight color variations between the item in the picture and the actual item. Measurement may vary by +/- 1-3 cm.