Painted Steel Frame with 2000mm x 1200mm x 600mm. ProLine offers the broadest range of standard sizes in the industry. Welded back centerpost. No front centerpost for easy component installation Center top and bottom frame sections for internal component mounting Optional center uprights available to support mounting options Welded corners with steel corner blocks that add strength and rigidity 12 gauge, roll-formed frame sections for strength Flange on door and side openings deflects liquids away from the enclosure interior.