Tennsco Snap-Together Open Shelving Add-On Unit Snap-Together Open Shelving Units, Starter Sets and Add-On Units Save 50% of the floor space used by conventional files! For highly active files and records. Each Starter Set and Add-On Unit includes adjustable 12" deep shelves, shelf supports, and five file dividers per shelf. Heavy-duty rolled steel construction. 200- to 300-lb. load capacity per shelf (with weight evenly distributed). Assembly required. (Can not ship UPS.) Add-On Unit “T” shaped upright attaches to Starter Set (TNN101988, TNN102534), sold separately, to join units. Units snap together without tools or fasteners. All shelves are adjustable. 6 Shelves—48w x 76h, shpg. wt. 155 lbs. Sand Finish