Back / wood seat: shell in plywood board made of beech layers or oak, 10 mm thick, and transparent polyurethane varnish.
Back / seat Metal: perforated sheet shell, 2,8 mm thick. For setups with more than 25 benches: stainless steel perforated sheet.
Feet in iron sheet 10 mm thick, laser cut. Plate welded in inner side for fixing to bottom tube.
Maximum distance between feet: 3 m
Certificate for public use. Standard NFD 61071-1992