Steel frame, shelves and dividers support heavy reports. Interlocking design of shelves and dividers add extra strength. 12amp;quot;w x 15 1/4amp;quot;d x 4 3/4amp;quot;h compartments hold any size printout. Wide shelf fronts provide plenty of room for labels not included. Literature Sorter Type: Open Front Number of Compartments: 12 Compartment Size: 15 1/4amp;quot; x 4 3/4amp;quot; x 12amp;quot; Materials: Steel.