I thought they were likely powder coated, they'd be difficult to spray!
I don't know how old etc they are as they were here when I bought the house.
I don't hang anything on them myself. It seems most cracking is happening on them up around the tops like this, I guess weakened finish where the thingy screws in.
I'm really looking for a temporary measure, maybe gluing the cracks too, not sure. I think in the end it will be send them all away for powder coating when I get fed up of it, or buy new ones, which of course aren't cheap.
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