Other than the top material not laying flat, this unit seems to be solid and of good quality. Note that it does put a severe, concentrated load on the feet and it has the potential to damage flooring. I used it on carpet and noticed the divots immediately (I weigh 185 lbs, FYI), so I put it on some inexpensive cushioned flooring from Harbor Freight and it cut right into it. I have since put down strips of composite kitchen flooring to distribute the load and it is just fine.
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