Steel frame, shelves and dividers support heavy reports. Interlocking design of shelves and dividers add extra strength. 12w x 15 1/4d x 4 3/4h compartments hold any size printout. Wide shelf fronts provide plenty of room for labels (not included). Literature Sorter Type: Open Front; Number of Compartments: 18; Compartment Size: 15 1/4" x 4 3/4" x 12"; Material(s): Steel.