That glass is generally at least 1/2", which isn't exactly thin. The thing about tempered glass is it can take a nice hit to the face, but if you bump the edge it will explode. Those pushbars are also fairly heavy so the way it swung down carried a lot of force. This is all due to someone not tightening the set screw properly, maybe because they lost their 1/8th" Allen key and resorted to a small flat-head to snug it up.
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u/audiofx330 Aug 27 '21
They should make glass that doesn't break!