Forget them. Here's what I used and my wife loves it: https://home.woot.com/offers/ergomax-office-abc256bk-adjustable-crank-desk-black-41
I had some free birch 3/4 inch plywood around it's it's really great.
Hi, Have anyone here try the SmartDesk DIY kit to DIY a standing desk? I am planning to make an adjustable PC Standing Desk. #diystandingdeskwithAutonomous