Excellent pupil adjustable chair, height group 3-5

The chair is made on a metal frame made of thin-walled steel tubes of round section
?32x1, 5 mm, ?32x1, 2, ?28x1, 2 and ?22x1, 0 mm, as well as flat-oval section 30x15x1, 2 mm.
The metal frame is painted with protective polymer powder enamel. The frame is
telescopic construction, its height can be set in three positions, fastening it with four M8 screws.
with four M8 screws. The pipe ends are covered with plastic plugs and support plugs.
The seat and backrest are made of volume-moulded bent-glued plywood (birch veneer).
9 mm thick with a spherical squeeze on the seat and an ergonomic curve on the backrest.
The shape of the seat and backrest favours the preservation of posture. The backrest and seat are covered with eco-friendly
environmentally friendly polyurethane colourless lacquer, which is odourless. The frame is connected to the plywood using 4, 8x18 rivets. It is produced in two height groups in three ranges of regulation (3-5; 5-7)..