Pupil's chair adjustable in height, height gr. 3-5

Pupil's chair, adjustable in height meets the requirements of GOST 19917-2014 "Furniture for sitting and lying down. General technical conditions". The product consists of a seat - backrest and height-adjustable supports (height group ? 3 - ? 5). Type of supports - slides made of metal, painted by powder spraying of flat-oval cross-section with the size not less than 45*25 (40*20) mm. The supports are fitted with adjustable footrests to compensate for unevenness of the floor. The backrest and seat are a single seamless construction made of wear-resistant plastic. Functional dimensions of the chair in mm, not less: width of the seat - 340, width of the backrest in the widest part - 300. The corners of the seat and backrest are blunted / rounded with a radius of 10-30 mm. The seat is fastened to the supports with fixing sleeves and plates. Locking devices ensure reliable fixation of moving elements. Colour as agreed with the customer.