The WOODHEAD / MOLEX 5520 is a robust 1 1/2 inch steel coupling specifically engineered for use with EMT conduit. Its rugged all-steel construction provides durability and longevity in demanding environments. The fittings' rings are designed to positively bond conduit to the fitting, while the unique locknut design ensures an effective bond between the fitting and the box or enclosure, guaranteeing ground continuity. This coupling is suitable for connecting and effectively bonding electrical metallic tubing to a box or enclosure, or for coupling ends of tubing. It is a reliable solution for electrical contractors and industrial applications requiring secure and grounded conduit connections.