Ventline BVD0462-00 Operator Knob and Screw for Ventline Ventadome Trailer Roof Vents w/ Wedge-Shaped Dome

This was a perfect replacement with one major inconvenience, thus the 4 stars and not 5. I like the round dial better than the rotating lever so it was a big improvement. The headache was the plastic piece that was prefabricated on to the attachment. Not removable at all. That is the end of the line install only by the customer if it's needed. There was no way to slide the operating joint into the crossbar thin slit so I had to find someone with a bolt cutter to get the bolt and plastic off. So minus the bolt and the plastic I was able to screw everything on. Less is more!!! Everything is good now, just a little too much extra complicating it.