30 Pieces 1/2" EMT Set Screw Type Conduit Coupling, Metallic Die-Cast Conduits Fitting for Factory, Garden Pipes Connection

Made of zinc material by die-casting, being rust prevention, corrosion prevention, wear resistance and high strength | Conduit fitting kit is widely used both indoors and outdoors in factory, garden, home, construction and other applications need to connect pipes | The set combo screws make installation convenient and easy | EMT couplings can accommodate tubes or pipes with a maximum diameter of 1/2 inch | Having been fine finished, making its glossy surface and ensuring smooth use