This desktop stand works well.
I used the standard base to clamp it to my desk (instead of the option to drill a hole in the desk) and this is stable with zero wobble in the base. Everything seems well made and sturdy.
Without a mic when you move the arm the springs move it toward a neutral position when you release the arm. After mounting a mic, that stops.
I mounted a Rode NT1-A Complete Vocal Recording on the end. With that weight on the arm, it is nicely balanced, easy to move, and stays where I put it without adjusting any clamps. It has a reach of more than a metre, and rotates very easily - the arm turns smoothly on the base, and the mic turns freely on the arm. Nice and flexible.
One minor downside - the arm has parallel metal bars which move closer or further apart as you move the arm up and down. These have squared edges and you can nip your fingers a bit if you hold that wrong.
Very happy - very good stand
When it comes to boom arms for microphones, you can read all the reviews and online commentary you like... You're going to come back to this microphone stand if you're looking for the absolute best in performance. When I first went to install it with the screw down mount setup, I was concerned because the boom kept extending out so much and wouldn't hold a position; little did I think about the fact that I should probably mount the microphone! I mounted the Rode M2 microphone along all to the Rhode PSA1 and couldn't be more satisfied. No matter where I place this microphone, whether up, down, left or right, it just stays put and doesn't sway. This is the Cadillac of microphone boom stands. If you want the best that just works flawlessly, go no further.