Sorry to hear about your experience with that stand, I did have also issues with those "column" keyboard stands since the APEX,...I had one, sold it and Never again, they may look nice, but are impractical and heavy, can't adjust the angle, no room for foot switches/pedals, etc.
I saw MANY keyboards fall at the store where I did work, the store end up replacing all of those stands for stand type platform, Z style, X style(double braced) Monolith, etc...more secure.
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mdorantes