4 in square, 1/2 in raised, two toggle switch industrial surface covers are used to attach two toggle switches device directly onto 4 in square boxes in industrial settings. Garvin Industries 4 in square industrial surface covers allow for a quick installation of toggle switches to steel covers before they are mounted to the box. Additionally, there is no bonding jumper required. GARVIN® Cover, 4 in Length, 4 in Width, Square Shape, (2) Toggle Switches Cover, Surface Mounting, Steel, G60 Galvanized