Box - Round, Aluminum, (H) 4-15/16", (W) 4-15/16", (D) 2-13/32", Conduit Outlet Box ( X Shape ), 1 Gang (or Single), 3/4 Inch Hub, Explosion Proof / Hazardous Location, Threaded Cover, Mounting Feet and Spare Close up Plugs, 5 Hub/Tapped Holes, Without Knockouts