The Quik-Lok Z-250/CY Studio Triple-Shelf Workstation has a 44" x 22" main shelf with a 27.4" x 14" pull-out shelf underneath, and a 38.6" x 17.1" top shelf. All 3 shelves are 3/4" thick, scratch-resistant, laminated cherry wood. The workstation's Z-frame is made of computer-welded, heavy-duty steel.