The Thomas & Betts Steel City Die-Cast Zinc Box Connector is a reliable clamp-type connector designed for secure installation of nonmetallic sheathed cable in electrical boxes. Made from durable die-cast zinc, this connector features a twin screw design for a strong hold and easy installation. It is suitable for use with 3/8 in. non-metallic cable and fits 1/2 in. knockouts, making it ideal for a variety of electrical projects, including junction boxes and Romex cable connections. This box connector is UL Listed for safety and quality assurance, and comes in a convenient 5 pack for multiple installations. The clamp connector is perfect for both residential and commercial electrical wiring, providing a secure and dependable connection for NM sheathed cable conduit. Whether you are working on new construction or updating existing wiring, this electrical box connector offers a practical solution for organizing and protecting your cables. The package includes five connectors, each with a die-cast zinc body and two screws for easy and secure attachment. Choose this 3/8 in. non-metallic twin screw clamp connector for your next electrical project to ensure a safe and professional result.