Steel, a little bit of surface rust from storage, nothing a bit of bead blasting or wire brushing wouldn't remove. For an extra tenner I could clean it off and give it a quick blast of paint on those areas.

If it wasn't 108F outside I'd do it for free.

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“Whatever story you're telling, it will be more interesting if, at the end you add, "and then everything burst into flames.”
― Brian P. Cleary, You Oughta Know By Now