Outfit your vehicle and get your demanding projects done effectively with this Truck Valve Extension 440-1-2 from Milton. It features nickel-plated brass with a long skirt and a high heat cap plus an effective length of 2-1/4 . This air valve extension works to extend the existing tire valve of your truck and can also be used with buses. It has a thread size of .305-32 and is designed to meet your truck- or bus-repair needs.