Halex 1" Threaded Conduit Coupling is a conduit fitting designed specifically for use with rigid conduit systems. Crafted from hot-dipped galvanized steel, this coupling boasts a heavy zinc coating both inside and out, ensuring excellent corrosion resistance and long-lasting durability. The steel duct threads are precisely cut and clean, with the coupling galvanized after threading to comply fully with UL (Underwriter's Laboratories) thread specifications. This UL listing confirms that the conduit coupling meets rigorous safety and quality standards required for electrical conduit fittings. Model Number: 64010