I have the following items for sale:

Brand new 3M Keyboard Trays (2 AVAILABLE) from business liquidation. (Read: client can't pay bill and pays me in furniture.) 

3M's description:

3M™ Adjustable Keyboard Tray AKT60 All-in-one platform design holds both keyboard and mouse. Full-width gel wrist rest provides easy left or right mouse positioning. Height, tilt and swivel adjustable.

Per Office Depot's website:

Excellent value platform design holds both a keyboard and mouse. Full-width gel wrist rest provides easy left or right mouse positioning.

Tray features single-knob height (59/16"), tilt (+/- 15°) and swivel (360°) adjustments. 

3M Precise Mousing surface included. Endorsed by APTA (American Physical Therapists Association).

6 7/10"H x 28 1/4"W x 12"D, Black/Charcoal

Office Depot is selling these for $206.99. I am asking $100 each.

Tiny picture available, or of course, you can see them in person. One box is open for inspection.