Unique construction requires no nuts or bolts and assembles quickly and easily without tools. Versatile design allows two different set-ups: a five-shelf, 72in high storage unit, or a 36in high workbench. Shelves adjust in 1in increments for storage flexibility. Steel frame with a durable powder coat finish. Shelf Count: 5; Shelf Thickness: 0.5in; Shelf Capacity Weight: 850 lbs; Materials: Steel.