This chair frame is made of Ø20mm metal round tubes, with 1.5mm wall thickness. The metal frame carrying the board is made of the same kind of tubes with the board rotating mechanism. The metal frame can have a desired plastic coating colour.
The board is made of 495x240, 18mm thick pressed beech veneer.
The seat is ergonomic and it is made of 865x440, 11mm thick pressed beech veneer. It can have a PU varnish and it can also be stained in the desired colour with water-based stain. The parts of the chair with plywood possess EN-717-2 certificate.