Roof corner cap.
This cap fits two corners. If you were to draw an X in the center of your roof, each end of each line of the X would reach to the same cap.
Black plastic. Paintable.
Add a corner cap installation kit here
Directly compatible for metal roof units produced after 2006.
Measures 11-3/4 inches tall by 2 inches wide on each side. Sold individually.
Part number 4701-0512