This Ergotron desktop mount is in excellent shape. It has two platforms and a monitor mount. Dimensions: the post is 30"H from the desktop surface - Top surface: 23"W x 15"D - Bottom surface: 27"W x 11"D.
We have two of these sit-stand single monitor Humanscale height adjustable Quickstand desks available. Both are in very good condition. One is black as in the photos, and one is white (not pictured here). We also have 9 double monitor stands available Item #665006).
We have 9 of these sit-stand double monitor Humanscale height adjustable Quickstand desks available. They are all used, but they're in very good condition. We also have two more that are single monitor - see Item #665007.