Standard swivel chair, permanent contact mechanism, black, without arm rests. Supplied = flat pack. Cover material = polyester. Colour of covering = black. Frame colour = graphite black RAL 9011. Frame material = nylon. Seat mechanism = permanent contact mechanism. Frame design = with castors. Height adjustment range = 420 - 550 mm. Type of arm rests = without arm rests. Back rest height = 400 mm. Seat depth = 450 mm. Seat width = 460 mm. Shape of seat shell = contoured seat. Conforms to = DIN EN 1335 part 1 - 3, DIN EN 12527+DIN EN 12529. Design of castors = castors for soft floors. Max. load = 110 kg. Period of use/day = up to 6 hours. Product type = office swivel chairs. Easy care fabric cover, 100 % polyester. Frame in graphite black RAL 9011. Supplied flat pack - easy self-assembly. Your advantage Comfortable contoured seat and cubic back rest with shaped upholstery.