This handy 4-way tool by Slime is worth keeping around for any work you might need to do on your vehicle's tire valves. It works with all vehicle valves as well as air conditioning units! It helps with the removal and reaming of existing valve cores as well as re-tapping threads, and this set comes with 4 replacement valve cores, allowing you to minimize downtime and get back to operating your vehicles. | Slime 4-Way Valve Tool and Valve Cores