20 Pocket Closed Back Horizontal Sorters are perfect for updating workstations and adding more storage space. Units are constructed of all-welded steel legal-size pockets. Shelves adjust at 1-5/8" increments. Shelves are included, but must be inserted as units ship knocked-down. Units feature a metallic silver finish. Overall dimensions measure 45-1/2"W x 15"D x 17-3/8"H.