All tubes of verticals and horizontals are high strength grade at 48.3X3.25mm....
The topcups on verticals and blades on horizontals are made by drop forging.
The tubes of braces are also high strength grade at 48.3X2.3mm.& the bolt on braces are high strength grade.
And items are at hot-dipped-galv.finishing,unless specified.
Packing:in bundles. If using scrap steel material for packing, free of charge.but if using racks/basket,need to pay the cost of rack/basket.