Theoretically a great product! ONLY if your drywall is only 1/2" - 1" thick then they are OK. only about 1/4"-1/2" before you reach the part of the anchors with folding arms that presumably bend into a T-anchor behind the wall. After a bad use of the trigger gun I had to pry 1 out of the drywall which created an even bigger hole. I found only 1 arm was broken but again only half! None of the other three arms could collapse. I've even tried longer Molly screws but unfortunately that didn't help either. The wall was just too thick and the truss rods could not successfully break unless they were in an open clear space behind the wall. Not to mention that the material the anchors are made of is clearly not stainless steel. He's too weak. Maybe the screws are steel, but not the dowels!
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