Usage Tips:Quickly change the valve tool kit, which is very suitable for leakage valve stems. You can replace the valve stem without disassembling tires, solid steel structure, industrial-grade nylon handle. Enough to replace the tire valve within 15 seconds. T-shaped hooks can quickly pull out the damaged 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 product structure and product materials, hoping to you. Our tools are suitable for most of the edge holes with 11.3 mm (0.453 inches).Not suitable for 5 or 8 inches (15.8 mm) valve core.Not suitable for tires with tire pressure monitoring system (TPMS).Suitable for cars, small trailers, light trucks, grass cutters, single-wheels, all-terrain and motorcycles. Step: 1. Tire deflation 2. Insert the T-shaped hook into the between the hub and the valve core, rotate the hook to pull out the valve core install the valve core on the push pole 4. cone-shaped positioning Align with the valve holes, and install the valve core through the cone-shaped positioning tube 5. Rotate the push rod to break away from the valve core. Type:A Colour:As Shown Material:Metal Package Contents: 1set x tire removal tool Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is 1-3cm.