Flame-resistant fabric Tilting mechanism for daily use Compatible with the RD917 parquet wheels Operations office chairs with seats upholstered in flame-resistant fabric over an injected foam interior, mesh-upholstered technical polymer-injected back. Base in technical polymer and robust synchro - tilting mechanism for daily use. Lumbar adjustment. Adjustable arms as standard. Compatible with the RD917 parquet wheels. Features Quantity per pack 1 pc(s) Tilt adjustment Yes Vendor collection name Ergoline Number of wheels 5 wheel(s) Angle of rotation 360° Ergonomic design Yes Headrest No Adjustable armrest Yes Armrest type Hard armrest Armrest Yes Height adjustment 9 cm Backrest material Technopolymer Seat material Fabric, Foam Base colour Black Frame colour Black Backrest colour Black Seat colour Black Backrest type Mesh backrest Seat type Upholstered seat Castor wheels Yes Weight & dimensions Armrest height (max) 70 cm Armrest height (min) 61 cm Seat height (max) 54 cm Seat height (min