Need a faster way to inflate big tires? The AA 40-150 large bore inflator is your answer. With its 25-foot, 3/8in hose, it offers quick inflation and easy reach for large vehicles. The 38-277 large bore air chuck ensures rapid airflow, inflating tires twice as fast as standard setups. Built tough with USA-made components and a 0-160 PSI liquid-filled gauge, it's ideal for shops handling trucks and heavy equipment. This professional-grade tool, similar to the Haltec I-350-20, is assembled and tested in the USA for reliability you can count on.