Steel O.E. 5/16" x 0,28" tjockleck, rulle på 20 foot (ca: 6meter).
Leverantörens text.
"Original equipment (O.E.) is steel tubing, that is cold-rolled, low-carbon continously welded.
It's protected from the elements by Galfan galvanazing and a topcoat of aluminium rich epoxy".