Shelves adjust in 1" increments with compression clips. Box form shelf design. 750-lb. capacity per shelf (based on 36 x 12 shelf evenly distributed). Six shelves per carton. [Photo shows two sets of shelves assembled with two Industrial Post Kits (TNN125137), sold separately]. Width: 36 in; Depth: 24 in; Material(s): Steel; Color(s): Medium Gray.