Weatherproof Round Outlet Boxes: Box Type - Weatherproof Round Outlet Box; Diameter in inch - 4.12; Depth in inch - 1.81; Number of Hubs - 5; Hub Size - in - 0.75; Hub Location - (1) Back, (4) Side; Material - Die Cast Aluminum; Finish - Gray; Mounting - Lugs; Plugs - 4