The Bridgeport 280-DC 1/2" EMT to 3/8" Flex Changeover Coupling is a durable and corrosion-resistant coupling made of die-cast zinc. It is designed to provide a rigid and secure connection between electrical metallic tubing (EMT) and 3/8" flex conduit. Manufactured in the United States, this gray-colored coupling is a reliable solution for conduit and tubing systems in various industrial and commercial applications. Its high-quality construction ensures long-lasting performance and efficiency in electrical setups.