Shkolnik Pupil's chair adjustable

The chair is made on a metal frame made of
thin-walled steel pipes of rectangular cross-section 28x25x177
28x25x1, 5 and 32x29x1, 5 mm.
The frame is a telescopic
construction, its height can be
can be set in three positions, secured with
with four M6 screws. Metal frame
is painted with a protective polymer-powder
enamel. The pipe ends are covered with plastic
plugs. The seat and backrest are made of
volumetrically moulded bent-glued plywood
(birch veneer) 9 mm thick with spherical
squeeze on the seat and ergonomic curve on the backrest.
on the backrest. The shape of the seat and backrest favours
posture preservation. The backrest and seat are covered with
environmentally friendly polyurethane
colourless varnish, which is odourless.
The connection of the frame with plywood is riveted.
4, 8?18. The chair is manufactured in two height groups in three adjustment ranges (4, 8x18 rivets).
groups in three ranges of regulation (3-
5, 5-7)