Switch Box Adjustment Ring, Mounting Accessories, Material Galvanized Steel, Silver Color, For Use With Single and Two Gang Boxes, - Function, Adjusts Switch Box 1/4 in to 1 in, Length 3 in, Width 2 in, Depth 0.25 in to 1 in, Box Type One and Two Gang, - Cover Material, - Cover Type, Conduit Size (In.) -, - Design, Gasket Material -, Standards -, Includes Two 1 1/8 in Long Screws