The Hubbell-Raco 976 Box Add-A-Depth Ring is a durable and reliable electrical accessory designed for use in electrical boxes and panels. Made of steel and featuring a screw mounting style, this product is perfect for adding extra depth to electrical enclosures. With a pack of 6 included, it is easy to install and provides a secure connection. The Hubbell-Raco brand is known for quality and dependability, making this product a great choice for various electrical applications.