Anvil 8700126900, Malleable Iron Pipe Fitting, Cross, 1/2" NPT Female, Galvanized Finish Cross for connecting and branching four pieces of pipe Female National Pipe Taper (NPT) threads on all four ends for connecting to male pipes Made from malleable iron for tensile strength National Pipe Taper (NPT) threads for creating tighter seals than straight threads Galvanized finish resists rust in water, air, and steam applications