ordered two of these at the same time. A package of fasteners did not fit the ball joint. The nuts and bolts matched but were much larger than they should have been in the kit, they were too big to use. I had to reuse nuts and bolts. None of the included ball joints used the threads for the included mirror mount. Perhaps both mirror fittings were too big and a smaller one would have fitted? I don't know, just tapped the ball joint myself, haven't had time to add lube yet, but I know there's a…