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when toggle format what by license comment
6 hours ago comment added JACK @DelphicOracle I would debate that the circled item is a screw. That whole piece unscrews and has external threads on it which is why I said it was a screw. It is not like the picture in the other answer.
7 hours ago history edited DelphicOracle CC BY-SA 4.0
screws to nuts
yesterday history answered JACK CC BY-SA 4.0