Amazon.com – GOJOOASIS 4 Panel Room Divider Folding …

The bolts that join the four panels together are hard to install (you need a Phillips screw driver with at least at lest a 10″ shaft and the space between the two panels are so small it’s impossible to get a wrench or socket on the nut, still once the two panels are joined you can’t tighten the bolt enough to keep the panels from wobbling.

https://www.amazon.com/GOJOOASIS-Divider-Folding-Privacy-Screen/dp/B07FFP4Z96