This Steel City 4-inch square tile cover is designed for single-gang installations and features a 1/2 inch raised edge, providing a clean finish for your wall. Constructed from durable pre-galvanized steel, it offers a silver finish for a classic look. With a cubic capacity of 3.5 cubic inches, this cover is a reliable choice for your electrical box needs.The Steel City 52C49-1/2 is a 4-inch square tile cover for single-gang electrical boxes. It features a 1/2 inch raised edge and is constructed from pre-galvanized steel with a silver finish. The cover has a cubic capacity of 3.5 cubic inches and no knockouts. It is UL E2969 certified.