???  42U SmartRack Economy Rack Enclosure Cabinet with doors, side, roof and bottom panels

???  4 interior vertical posts with unthreaded square hole openings

???  2000 lb stationary / 1100 lb rolling load capacity

???  Standard 24" (600mm) width and 40" (1016 mm depth) for optimizing floor space

???  Includes 40 pieces of M6 cage nuts and 40 pieces of M6 screws (equipment mounting hardware)