The Southwire SCR-664-UPC is a steel screw cover enclosure with a NEMA 3R rating, measuring 6 inches in width, height, and depth. It is designed for wall mounting and has a rectangular box shape. The gray color and 16 gauge steel construction make it durable and suitable for various electrical equipment and supplies applications. This product from Southwire is a reliable choice for ensuring the safety and protection of electrical components in commercial and industrial settings.