Steel Conduit Coupler 1.Malleable Iron,ISO9001 2.Hot-Dipped Galvanization,Black Enamel 3.20mm,25mm,32mm 4.BS4568,EN50086 Item:Steel Conduit CouplerMaterial:Malleable IronFinish:Black Enamel (Painted)Size:20mm/25mm/32mmMalleable conduit couplers,to BS4568 and EN50086 standards.Best quality and reasonable price.We can produce the malleable conduit couplers according to your samples or drawings,also ...