Balt 46572 Hi-Hi-Lo Adj Pneumatic Workstation, 39-1/2 x 31-1/4 x 39-1/4, Teak Laminate Top Compact units store your entire computer in minimal space. Security rail safeguards equipment. Lever adjusts for stand-up or seated use. Infinite height positions ranging from 31-1/4" to 39-1/4" high for monitor shelf. Overall demensions includes CPU holder.