Ergotron WorkFit-A, Dual Workstation with Keyboard tray and Worksurface Ergotron TallUser Kit for WorkFit Dual 97-615 included brand new in Box included original monitor mounts were misplaced so I upgraded to the tall kit. Working from home? Turn your existing desk or table into a flexible sit/stand dual monitor workstation! Kept in Storage, May have a few blemishes from moving that do not affect functionality, but it is missing monitor vesa brackets so you will have to get those yourself. Otherwise, it's in perfect working order. $85 OBO $500+ from Ergotron, Amazon, Dell and others This premium stand-up desk solution adds extra ergonomic benefits, allowing the keyboard tray to be positioned below desktop level for optimum computing comfort. A WorkFit height-adjustable workstation moves your keyboard and monitor in one simple motion - change from a sitting to a standing position whenever you want. Fold your keyboard up and swing the arm out of the way when you need your desk surface. Ergotron WorkFit-A with Suspended Keyboard, Dual Sit-Stand Workstation. Transform any surface into a personalized height-adjustable desk. Go from sit to stand at any time.