... many kinds of malleable iron pipe fittings: elbows, tees, sockets(coupling), bends, nipples, unions, crosses, flanges, plugs, backnuts(locknuts), crosses over ... fittings: elbow, tee, socket, bushing, reducer,bend, nipple, union, cross, flange, plug, backnut, cross over, round cap etc.EdgesBanded, beaded or ... , WOODEN BOX Galvanized Malleable Cast Iron Pipe Fittings G.I. Coupling