Here's my stack and the falls I acquired them from.
From first to third skid is 7ft to judge size. I left them long to meet requirement, but my need is more like a 5ft junkpole fence. Im going to make a junk hay ring around a fruit tree to keep cows and deer out of them. So these 10 8ft plus and 2 6ft poles may get me 22 poles total depending on bends.