Yep aeroflow one is polished.
Yes, I tighten up the inside ones first, then the outer one once the tension is set up top. There is the potential for a little bit of flex in those 2 little plates, so doing them first kind of eliminates the possibility of them being or of square.
It was always going to be a temporary thing as I planned on making something better, but at the moment it ain't broke! I should really do it now while the car is off the road.