STRIKE COMFORT office swivel chair, with adjustable armrests, black. Supplied = partially assembled. Cover material = polyester. Colour of covering = black. Back rest colour = black. Frame colour = black. Frame material = plastic. Seat mechanism = synchronous mechanism. Frame design = with castors. Height adjustment range = 410 - 520 mm. Type of arm rests = with arm rests. Back rest height = 580 - 650 mm. Fittings = counter pressure setting. Seat depth = 430 mm. Seat width = 500 mm. Shape of seat shell = flat seat, sliding seat. Conforms to = DIN EN 1335 part 1 - 3, DIN EN 12527+DIN EN 12529. Design of castors = universal castors for soft and hard floors. Max. load = 125 kg. Product type = operator swivel chairs. Height adjustable back rest with lumbar support. Height and width adjustable arm rests with soft PU arm cushions. Ergonomically upholstered seat with seat depth adjustment. Synchronous mechanism with infinitely adjustable counter pressure. Sturdy five star base with large, universal double castors, 65 mm. The TrendOffice company belongs to the Dauphin HumanDesign-Group Supplied flat pack - easy self-assembly.