Tennsco 1276PCSD 36 by 12 by 76-Inch Snap-Together Open Shelving Steel 6-Shelf Closed Starter Set, Sand Save 50-Percent of the floor space used by conventional files. For highly active files and records Each Starter Set and Add-On Unit includes adjustable 12-Inch deep shelves, shelf supports and five file dividers per shelf Heavy-duty rolled steel construction 200-Pound to 300-Pound load capacity per shelf (with weight evenly distributed) Assembly required