Pro Rib Steel Light Hanger
thingiverse
These are load spreading pieces for Menards "Pro Rib" steel, meant for holding up light objects of just a few pounds (Harbor Freight 5000 lumen LED lights in my case) hanging in the rib of the steel panel (when used as a ceiling). I used 10-24 nylon locking nuts with 10-24 1-5/16" eye bolts and 2 hangers per light.
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