A small surface that extends your workspace. Place either or both sides of desk. Great as a floating surface with storage for printers, faxes, etc. Mounts on our optional steel Filing Cabinet (not included - The Filing Cabinet is lockable, with a commercial quality, all steel construction, counter-weight, with our comfort radiused corners, and is 22"Dx15"Wx25"H. Charcoal grey to match surface and desk frames.). Fits neatly with Personal. Pro and Flexo desks.