Ergotron WorkFit-S, Single HD with Worksurface+ (White)

Convert any surface into an adjustable-height standing desk with the attachment of the WorkFit-S. Make computing comfortable for prolonged periods-stand up whenever you want. This sit-stand workstation is extraordinarily simple to use. With the push or pull of a hand, you can instantly raise or lower your keyboard and display in one easy motion, yet all the while the system will remain stable throughout your work routine.