Heavy-duty, cast CF8M/316 SS conduit hubs are designed for use with threaded conduit and provide a means of connecting conduit to various enclosures and/or for terminating electric circuits. A neoprene "O" ring provides a weather proof seal and a specially designed locknut (316 SS) grips firmly for secure installation.Material: -Body: CF8M (316 SS)-Locknut: 316 SS100% Made in USA