The Rigid Thread Coupling Stainless Steel 3-Inch from Southwire is designed for secure connections in rigid conduit systems. This coupling is made from high-quality stainless steel, providing excellent strength and corrosion resistance, making it suitable for both indoor and outdoor applications. With a diameter of 3 inches, it ensures a tight fit for standard rigid conduits, facilitating easy installation. This product meets ANSI and UL standards, ensuring compliance with safety regulations. Ideal for use in electrical systems where durability and reliability are crucial, this coupling is a must-have for any professional electrician.