If you look at the third photo, you can see the heads of the carriage bolt that are holding on a ¼" X 1½" flat bar on the brush guards flat cross piece with two bends. Straight up to bottom of box, 90º bend to back of box and then another 90º up the back of box. There is just enough clearance for it to fit and does not effect the opening of hood. I'll add another photo that you can see what I'm saying.I really like the one on the front of the brush guard. How did you mount it?