The Thomas & Betts 52-C-6 is a durable and versatile electrical box cover designed for surface mounting applications. Constructed from pre-galvanized steel, it provides corrosion resistance and long-lasting performance. The 4-inch square size and raised design make it suitable for a variety of installations, while the included 1/2-inch knockout simplifies wiring. This cover is ideal for residential, commercial, and industrial settings where a secure and aesthetically pleasing solution for electrical box covers is required.