1 5/8" diameter galvanized top rail. This top rail is sold in 10 sections, with a "swedged end", which means that the end of one pipe will slip into the end of the next one, so there are no sleeves or fittings required.
Specifications:
- 1 5/8" diameter
- 10'6" (6" overlap)
- Swedged end
- Galvanized only