Offers 3 height positions below desktop (2-3/16, 3-3/16 and 3-1/2 in.). Tray tilts at 3, 6, and 9° to suit personal preference. Separate keyboard and mouse platforms allow you to position mouse on right or left side of keyboard tray. No tools required. Smoothing memory foam for wrist support with antimicrobial protection. 28-3/8 x 14 x 3-1/2 in. H (Dimensions refer to keyboard stand excluding clips).