On-demand height adjustment: Easily adjust from a sitting to standing position with 16 inches of lift; ergonomic mechanism supports up to 15 pounds and adjusts smoothly through full range of motion from minimum height of 29 inches to maximum height of 45 inches Stable mobility: Premium dual- wheel casters allow for smooth, confident movement over carpeted or hard-surfaced floors; oversized casters encourage quick and seamless movement over hallway thresholds and other varied terrain; front two casters lock in place for workstation stability Room to work: 24 x 22-inch worksurface easily accommodates your laptop, notebook and other desktop essentials; maintain a comfortable and organized workspace with handy backpack hook, cup holder, tablet slot and pencil tray Dynamic flexibility: Assembles in less than a minute with no tools required; transform classrooms, conference rooms or common areas into active spaces with a personalized fit, quickly rearrange desks for productive breakout sessions and other changing needs; Storage Bin accessory (97-926-064) is perfectly sized for notebooks and folders Built to last: Extensive quality testing ensures your desk holds up to rigorous daily use; Ergotron products set the standard for quality with a 10-year warranty and expert technical support