• May be a combination of wood and metal. Teak/oak slates on a cast base. And they can be replaced very easily if required. Bench ends and table bases from Victorian era still in uses in public parks, so should be more then sufficient for domestic use. I bought bench ends from ebay years ago, wire brush and black hammerite followed by new slats it's basically brand new, but probably casted over 100 years ago.

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