T-shaped chair on a round tube, adjustable for growth groups No. 4-7 Overall dimensions: 421x495x781-901 mm. Backrest size: 410x200 mm. Seat size: 410x410 mm. Weight: 4.64 kg. The seat and backrest are made of bent-glued plywood (8-9 mm thick) and covered with a colorless water-based varnish. The corners of the seat and backrest and the front edge of the seat have a radius of curvature to prevent injury. The chair frame is made of round tube d32x1.2 mm, d25x1.2 mm and 30x15 mm with powder coating. The backrest and seat are attached to the frame with screws and nuts. The height of the chair is adjusted using screws in the holes of the frame and the leg, between which a plastic adapter sleeve is installed. Plastic tips are attached to the ends of the frame, which prevent injuries to students and damage to the floor. The frame is marked with height groups when adjusting the height of the chair. Frame color: light green (RAL6018), gray (RAL7035), yellow (RAL1018), graphite moire (RAL7024)