Metallic tray of 1000x400mm, manufactured from laminated dc01 steel coil with thickness 0.7 and 0.8 mm.epoxy-polyester paint ral 7046 dark gray.compatible for shelves with screws (simonclassic) and without screws (simonclick, officlick, simonforte, simontitán).special folding to facilitate handling and assembly without risk.. simon rack