Pupil's chair

Pupil chairs are designed to equip classrooms of secondary schools and gymnasiums.
The chairs are made of metal pipe of round, square and rectangular cross-section. The chair is of welded construction.
The back and seat are made of 9 mm thick bent-glued plywood. The seat and backrest are fixed to the metal frame with 4.8x16 rivets. The chair has height adjustment for 3,4,5,7 height groups. Fastening is made with M6x16 screw and FIM through nut. The chair is not height-adjustable for 3-7 height groups.
The metal frame is decorated with plastic lugs and plastic lugs-supports.
The metal frame has a protective and decorative coating according to GOST 9.032-74 with powder paints.