Enjoy the health, energy, and productivity benefits of standing throughout the workday with our patented CHANGEdesk Height-Adjustable Standing Desk Converter from Uncaged Ergonomics. Quick and easy height adjustment lets you switch positions in seconds, bringing your monitor and keyboard to the perfect ergonomic height. A huge adjustable height range (from 4.5" collapsed all the way up to 21.5") comfortably fits people up to 6'5". No installation required.