Designer office swivel chair, with head rest and mesh back rest, effective back rest height 830 mm, black. Supplied = assembled. Cover material = Softex, 80% cotton, 20% polyurethane. Colour of covering = black. Frame colour = white aluminium RAL 9006. Frame material = cast 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 = 550 mm. Fittings = lumbar support. Seat depth = 500 mm. Seat width = 480 mm. Shape of seat shell = contoured seat. Conforms to = DIN EN 1335 part 1 - 3, DIN EN 12527+DIN EN 12529. Back rest height with head rest = 830 mm. Model = swivel armchair. Design of castors = castors for soft floors. Max. load = 110 kg. Period of use/day = up to 8 hours. Product type = operator swivel chairs. Easy to clean seat covering and mesh back rest. Die cast aluminium five-star base, painted white aluminium RAL 9006. Castors for soft floors as standard. Supplie