The bows are not difficult to make. Patience is a virtue. The tubes for the tops are 1/4" mild steel and can be bent from hand. If you have a four point roll bar you do not need any
tubes.
If I knew how to draw a picture, and post, of how to make these things I would. Drilling the holes in the body (Two) is quite easy. It was the holes for the window posts that was a little tricky. I've had many tops over the years and I used the side windows exactly twice! Don't need no stinkin' windows......usually