Suggested Retail:$50. Seville Classics Airlift Ergonomic Desk Keyboard and Mouse Tray Computer Table Slide-Out Platform Drawer for Typing Workstation, 31.5", Black. 33 x 13 x 4 inches. . Simple C-clamp design attached easily to almost any size and style of computer desk, office cubicle, or electric standing desk. Clamp fits desk tops . 75" to 1. 75" thick. Soft pads protect your desktop from damage. Tray extends up to 12. 2" from below your desktop on steel ball-bearing sliders. Push it beneath the top to keep your workspace organized and safe.. 7 DAY FULL REFUND GUARANTEE ON THIS ITEM IF ANY ISSUE IS FOUND THAT WAS NOT DESCRIBED/PICTURED. 7 DAY STORAGE IS ALSO AVAILABLE. SEE NOTES TO BIDDER, IN AUCTION DETAILS, AT THE TOP OF PAGE 1 FOR MORE INFO.