Acquired this unit to help rehab an injured shoulder; have been using it daily for six weeks now. It's more than sturdy enough for me (I'm 5'4") and takes up little space.
I have some suggestions regarding installation, which was a bit fiddly for me and took quite a while because of that.
First, if you encounter a "block" where it appears that a hole has not been properly drilled at the factory, fear not. All you need is a small hammer or mallet and one of the bolts; center the bolt over the circle in question (it's there, even if it doesn't look like it at first), then tap on the bolt head with the hammer, and the undrilled bit of metal will tap right through, leaving the screw hole you need.
There were two of these blocks in my unit, and at first, I was quite concerned I'd need to either wait for replacement parts or go find someone locally with a drill and the proper bit! Fortunately, Vevor's customer service replied quickly and politely. It took a day or two, but they found and sent the solution through.
The diagrams are a bit opaque regarding the various bolt lengths; it's not always easy to tell which is which. I've suggested that Vevor number the actual parts with stickers rather than just on the blister packaging, because once you open that (or if the nuts and bolts arrive mixed up, not impossible with shipping these days), you may have to resort to some guesswork. I certainly did! In the end, I wound up carefully transferring things out of the blister pack and into separate containers.
My last suggestion is that you not attempt to do the final assembly (connecting parts 2 and 3 to each other, creating the tower, and then to the base) alone. I managed, but that part of the process would be much more safely done with 2 people (one holding the now-tall tower in place while the other fastens the bolts).
Once through the assembly process (an adventure, yes, but ultimately worthwhile), it's been brilliant. Just being able to do a dead hang daily—with complete control over how much stress I'm putting on my shoulder—has been a godsend! And, as I heal and regain function, I'm looking forward to being able to adjust it to rebuild strength.
Recommended!