I have two of these. Great quality, very functional.

Good quality, a lot heavier duty than I thought it was going to be for the price. Easy install, good hardware and great instructions. Installed under my desk in about 15 minutes. I like mounting things to save space, and Monoprice always come through

This is a fantastic solid, well-designed tower holder. Unfortunately I tried to install it hanging swivel style in an Ikea pressboard shelf and the weight along with the computer was just too much. Apparently it needs to be installed in solid wood if hanging or mounted on the side if in pressboard. I sadly had to return mine because it didn't fit my needs.

works great .. can be adjusted for other devises also

The design is on point with other higher end CPU Holders. The main issues are the the strength of the materials and the fasteners.
They are hard to reach when the holder is installed specially under the desktop surface. Having the right tools makes it easier. I used a 14mm wrench and 13mm socket wrench to remove the top plate to secure it to the desk first.
Installation is a 2 person operation, can be done by yourself with more effort.
Placing the Tower in the the holder is definitely a 2 person job. I don't think you want to drop or scratch your tower.
Two hands Adjusting the height of the bracket.
You need both hands to screw in the retaining screw knobs on top .
For 15 bucks it's okay. Nice paint and well packaged.