View on LOZ Suggested Retail: $99.99. HUANUO Keyboard Tray Under Desk，360 Adjustable Ergonomic Sliding Keyboard & Mouse Tray, 25'' W x 9.8'' D, Black. The keyboard tray has a total of 7.8 inches of height adjustment, this under desk keyboard tray will let you sit and stand at your desk and achieve better ergonomics. The platform can swivel left and right 90 degrees. It can also tilt 6 degrees up and 22 degrees down for improved comfort. Full size keyboard drawer with a 25” x 9.8” , surface fit all sizes of the keyboard, mouse, and all your extra knick-knacks. We also included a wrist rest to improve wrist comfort. Placing the keyboard and the mouse on an ergonomic tray improves comfort and creates additional space on the desktop. When not in use, the sliding keyboard tray disappears under the desk.. 7 CALENDAR DAY FULL REFUND GUARANTEE ON THIS ITEM IF ANY ISSUE IS FOUND THAT WAS NOT DESCRIBED/PICTURED. 7 CALENDAR DAY STORAGE IS ALSO AVAILABLE. SEE NOTES TO BIDDER, IN AUCTION DETAILS, AT THE TOP OF PAGE 1 FOR MORE INFO.