Loc-Line 3/4 inch Ball Socket x MPT Connector

what is the diameter of the threaded end?

What is this used for? i purchased it in a bundle viltrox l116t cri95+ super slim dimmable led light… size: l116t. i assumed i needed it.

Does anyone know the thread size (or equivalent size) for this ball joint? I am trying to model a female connector for this.

I have 1" slip bulkheads. Is there a loc line system that will fit