This mounting system uses a unique part called Nutsert. Basically it's like a drywall anchor for metal applications. You put it in the holes on the body and then screw in the screw. When tightening the screw, the back of the anchor should be pulled against the inside of the housing. Sounds like a great idea, and it might have worked if it wasn't for a cheaply made, poorly designed piece of junk. The problem is that the anchor itself rotates in the body, so it will never be able to tighten theβ¦