Геркулес / Hercules / Swing "Double with a socket"

Solid wood with antibacterial impregnation, steel inserts (possibly made of stainless steel), galvanized chain, seat - plastic (or moisture-resistant plywood), seat-type "nest", rotating elements on bearings. Bolted connections are galvanized, for safety, if necessary, covered with plastic caps and connectors.
Dimensions: 5500x2500x2500 mm.