Ergotron WorkFit-D Sit-Stand Desk (24-219-200) 20-Inch (51 cm) effortless height adjustment-patented CF technology allows instantaneous, tool-free, non-motorized re-positioning while you work Integrated brake secures table in place and with just a touch releases for height adjustment. Features a spacious 23" x 48" (59 x 122 cm) worksurface