Just one of those things that you have to spend your money and see if it works for you, had mine must be close on maybe 10 years?,at the height the bike had to be for me stood upright never felt all that stable, and hold a wheel at that height while trying to fit, turned into a 2 man job.
If you buy, make sure you get the security bar that you put through scissors rather than risk hydraulics with all that weight on.
What happened in the end, foam tiled the floor of the garage but bikes and gear sank into them, so boarded the floor out on top with decent ply wood and finally arrived at a happy medium