I still have my lennox frame it solid.alough I have had it for a very long time it spent 5 years in a acoustic ceiling.i left it in the ceiling above a light fixture in a salon I serviced.
I wish I had brought that Stanley you showed as suppose to the 5 in one I was seduced into acquiring, it's so fiddly and time consuming that it becomes counterintuitive to use any of its other features.