Frame consists of aluminium five-star foot and gas spring with plastic cover. Chairs and armchairs are available. Seat shell of beech plywood with anti-slip varnish and concealed seat attachments. Optional firm all-round upholstery. Models without backrest upholstery have grip hole.
Features and options. Glides for hard and soft floors or universal glides (2K). Stepless gas-spring height adjustment. Can be swivelled. Optional particularly ergonomic 3-D rocking mechanism.