For more products catalog please contact our company. Trade Size: 1/2", 3/4", 1", 1-1/4", 1-1/2", 2", 2-1/2", 3", 3-1/2", 4" Material: SteelFeatures:1) Hot-dip,electro-galvanized inside and outside surface,the thickness of zinc galvanized on the conduit surface is bigger or equal 14 micro meter2) All the threads, wall thickness, outside diameter are according to British standard3) Can be enquiped ...