Ergotron WorkFit-A Sit-Stand Workstation for Apple (24-414-227) Easily and simultaneously lift keyboard and LCD screens to proper height. Keyboard tray designed with slight tilt to ensure wrists remain in a neutral position. Keyboard tray folds up and monitor arm swings out of the way. Optimized specially for the latest iMac. Fluid, one-touch motion with patented CF Technology Sit-to-stand height adjustment Designed to perfectly complement the look of your iMac