Task chair with backrest suggested in 2 heights, H40 cm or H48 cm, both height adjustable (+6 cm). Seat and backrest are upholstered in RADIO Cat. A, with carter protection in black Polypropylene. Arms: 6BRA or 11BH. Mechanism: PC permanent contact. Ø 70 cm 5-star Nylon base in black (NY). Ø 50 mm braked/rubber castors.