The Steel City NSB 58-C-16 GFCI Or Decora Device Outlet Cover Plate is a conduit fitting accessory designed for electrical equipment and supplies. With a brand name of Steel City and a weight of 0.80, this product is specifically designed for conduit fittings and outlet boxes. It is a versatile option for various electrical projects, offering a reliable and durable solution for connecting and securing conduit and tubing.