The frame is manufactured from moulded and press-formed sheet aluminium with epoxy powder finishing treatment. It is fitted with removable roller tambour doors in polypropylene. It consists of removable aluminium lateral sides for trays and shelves (trays and shelves are excluded). It has a die-cast push-handle and 2 lock systems. The basement is made in die-cast aluminium and is highly resistant. The base consists of buffers and four twin wheels of diameter 125 mm each. Two of the twin wheels have brakes, while the other two are antistatic.