Ergonomic swivel chair, point synchronous mechanism, without arm rests, blue covering. Supplied = flat pack. Cover material = Trevira CS, flame retardant. Colour of covering = blue. Frame colour = black. Frame material = powder coated aluminium. Seat mechanism = synchronous mechanism. Frame design = with castors. Height adjustment range = 420 - 550 mm. Type of arm rests = without arm rests. Back rest height = 520 mm. Seat depth = 460 mm. Seat width = 460 mm. Shape of seat shell = lumbar support seat. Conforms to = DIN EN 1335 part 1 - 3, DIN EN 12527 + DIN EN 12529, fire protection standard EN 1021, part 1 + 2. Design of castors = castors for soft floors. Max. load = 110 kg. Period of use/day = up to 8 hours. Product type = ergonomic swivel chairs. High back rest, 520 mm. Ergonomic seat. Flame resistant covering. Easy care Trevira CS fabric cover - flame retardant. Meets fire safety standard EN 1021, parts 1 + 2. Aluminium frame, powder coated black. Castors for soft floors as standard. Back rest height 520 mm. Supplied flat pack - easy self-assembly. Your advantage Economical swivel chair with great features.