High Rise Height-Adjustable Standing Desk with keyboard tray is a simple solution for too much sitting. It transforms any standard sit-down desk into a sit-stand desk. This workstation sits on top of your current desk or table and does not require clamping or attachment of any kind. Simply go from sitting to standing with an easy squeeze of the lever handles on each side of the worksurface. This two-tiered unit easily raises straight up and down. Perfect for any environment, the standing desk can be used in the home, professional office or industrial workplaces. Large desk surface is accompanied by a keyboard tray. Worksurface height raises to 21", and the keyboard tray raises to 16-1/2" for an ergonomic working position. Gas-spring system allows smooth and stable height adjustment. Sleek wood construction and durable, scratch-resistant laminate coating will provide years of use. Compact footprint easily fits on the standard, 24" deep cubicle.