Thank you.
That is a custom mount my buddy made. I was unsure if I would like it so I attached it using 1 5/8 exhaust clamps. I like it so I will have him weld it and remove the clamps. The mount is made from 1 5/8 fence post and painted with advance auto bed liner spray paint. It is a nearly perfect match. I wanted the light at lower than the roof to avoid damaging it.