Please allow 5-7 business days for initial shipping as we work to get stock into our system. Hex Bushing, Connection Size 1: 3/4 in, Connection Type 1: Male NPTF, Connection Size 2: 3/8 in, Connection Type 2: Female NPTF, Brass, 3/4-14 x 3/8-18 Thread, 1000 to 1200 psi, For Use With: Brass, Bronze, Copper, Steel, Aluminum, and Iron Pipe, -65 to 250 deg F