Adjustable Height School Chair with Metal Frame for Ergonomic Learning

Pupil adjustable chair on a square tube. Metal frame is made of square pipes with cross-section 2020 mm and 2525 mm with wall thickness of 1,2 mm and painted with polymer paint. The pipe ends are protected with plastic plugs. The seat and backrest are made of bent-glued plywood covered with colourless varnish and are fixed to the frame with metal rivets. It is possible to choose the "bolted" fixing.