V2 office swivel chair, upholstered back rest, black/black. Supplied = partially assembled. Cover material = Trevira CS, flame retardant. Colour of covering = black. Back rest colour = black. Frame colour = polished aluminium. Frame material = aluminium. Seat mechanism = synchronous mechanism. Frame design = with castors. Height adjustment range = 440 - 520 mm. Type of arm rests = without arm rests. Back rest height = 580 mm. Seat depth = 490 mm. Seat width = 490 mm. Shape of seat shell = lumbar support seat. Conforms to = DIN EN 1335 part 1 - 3, DIN EN 12527+DIN EN 12529. Model = upholstered back rest. Design of castors = hard castors for soft floors. Max. load = 110 kg. Period of use/day = up to 8 hours. Product type = operator swivel chairs. State-of-the-art, trendy office chair with open backrest shell and covered with high quality, lined padding, adapts to the spine and provides support in all positions, with adjustable height and inclination. Ergonomic seat for healthy and relaxe