Product details:Product Item elbows, tees, sockets, bends, nipples, unions, crosses, flanges, plugs, backnuts, crosses over, round caps, etc. Size 1/8"-6" Thread Standard BS ANSI & DIN Finish Black, Electric Galvanized, Hot Dipped Galvanized, all be antirust treatment Packing Cartons, woven bags, wooden boxes Quality Control Excellent material, precise angles, good antirust property Product Usage Suitable for joining pipe lines of team, gas, oil, air