I make mine out of cement reinforcing. It is 5 ft and strong to last. I
cut off the bottom ring so I can stick the stays in the ground then I
put a steel post at both ends and run a wire to keep them from falling
over. IT WORKS GREAT. The holes are big enough to get the tomatoes out.
From Mel & Donnie in Bluebird Valley
http://community.webtv.net/MelKelly/TheKids