The Southwire 52C4-F is a 4-inch square to octagonal device ring with a 4-inch on-center (OC) flat design. This device ring is constructed from high-quality materials, ensuring durability and a secure fit for various electrical devices. It allows for easy conversion from square to octagonal boxes, making it versatile for different installation needs. The flat design provides a clean look, suitable for both residential and commercial applications. This device ring meets industry standards for safety and reliability, ensuring effective support for electrical devices.