... conduit fittings Material: SteelFinishes: Galvanized Models and specifications:Coupling, Solid J20C 20mm, Galvanized J25C 25mm, Galvanized J32C ... J38C 1-1/2", Galvanized J50C 2", Galvanized Coupling, Channel inspection J20CI 20mm, Galvanized J25CI 25mm, ... , Civil and Public Housing Projects. Rigid Coupling, rigid condit fittings, conduit coupling, steel coupling, BS electrical conduit fittings