I bought the stand WALI desk 2 monitor stand (27″) but also bought the C-clamp & grommet clamp so I could experiment to get the most desk space back. The C-Clamp works the best. All of the components are solid & well built. I would recommend and buy myself again.
https://www.amazon.com/WALI-C-Clamp-Mounting-Workstation-C-CLAMP/dp/B07BHXXR4D