Save 50% of the floor space used by conventional files. For highly active files and records. Provides a single freestanding unit or use with Add-On Units for a complete wall system. Units snap together without tools or fasteners. All shelves are adjustable. Order one Starter Set and any number of matching height Add-On Units. Two ''L'' uprights for the frame. Includes adjustable shelves, shelf supports and five file dividers per shelf. Heavy-duty rolled steel construction with sand finish.