View on LOZ Suggested Retail: $119.99. . SIMBR Standing Desk Converter 30.2 Inch Computer Desk for Home Office Sit to Stand Desk Height Adjustable Gas Spring Desk Riser Stand up Desk Workstation with Keyboard Tray. Sitting for a long time will cause physical pain and eye strain. That’s why we provide sit to stand desk converters. Standing throughout the day also keeps the mind alert and productive while you work, relieving much of lower back pain. Featuring durable tension spring power for smooth vertical transitions, a height lock mechanism for a completely customizable setup, and a large upper deck for computer layouts, this product was built for efficiency! 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.