Ergotron WorkFit-A with Suspended Keyboard, Dual HD (24-392-026) WorkFit-A with Suspended Keyboard, Sit-Stand Workstation, Dual monitors Improve your energy and productivity by standing or sitting as you work, and then switch positions whenever you choose Keyboard can be positioned below desk surface for optimum ergonomic comfort Easily and simultaneously lift keyboard and LCD screen to proper height for unsurpassed ergonomic comfort Safe, easy to use simple installation and effortless operation Fold keyboard up and swing arm and monitor out of the way when you need your desk surface