1.standard: BS, DIN ,American 2.banded , beaded ,plain 3. hot deep galv, bake galv, black 4.size from 1/8'-6' 5.TUV,UL, Product Itemmalleable iron pipe fitting: elbows, tees, sockets, bends, nipples, unions, crosses, flanges, plugs, backnuts, crosses over, round caps, etc.Size18"-6"Thread StandardBS ANSI & DINFinishBlack, Eclectic Galvanized, Hot Dipped Galvanized, all be antirust ...