Metal Enclosure 1.With knockouts and hinged cover 2.Made of Aluminum,Stainless Steel and Galvanized Steel 3.Beautiful design TFJ4 Series Hinged Cover Metal Enclosure with Knockouts /Metal Box Enclosure1.Materials: aluminum, stainless steel, and galvanized steel2.Steel sheet thickness: 1.0 to 2.0mm3.With easily removable knockouts ,Cutouts, louvers, and additional knockouts4.Tamper proof screw5. ...