Black Pipe Fitting 1>BS, American, DIN 2>Banded, beaded, plain 3>Hot ... , electric galv, bake galv, black 4>1/8"-6" Black Pipe FittingProduct Itemelbows, tees, sockets, bends, nipples, unions, crosses, flanges, plugs ... ControlExcellent material, precise angles, good antirust propertyProduct UsageSuitable for joining pipe lines of steam, gas, oil, air