Keyboard tray attachment for desk - $25 (West LA)

I got this keyboard tray accessory to go with a new desk, but ended up not using it and can't return it.
Brand new and unused! Here is the product listing: https://www.
upliftdesk.
com/big-standard-keyboard-tray-system-uplift-desk/ The tray itself is 27 inches across, and 18 inches from front to back.
The track it fits into is 21 inches long, and 5.
5 inches wide.
$25 or best offer.
Pick up in West LA.