Snap-Together Steel Seven-Shelf Closed Starter Set, 48w x 12d x 88h, SandProvides 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 12" deep shelves, shelf supports and five file dividers per shelf. 200 to 300 lb. load capacity per shelf with weight evenly distributed. Heavy duty rolled steel