SITNESS 10 office swivel chair, with adjustable armrests, black. Supplied = flat pack. Cover material = polypropylene. Colour of covering = black. Frame colour = chrome plated. Frame material = steel, chrome plated. Seat mechanism = permanent contact mechanism. Frame design = with castors. Height adjustment range = 420 - 550 mm. Type of arm rests = with arm rests. Back rest height = 570 mm. Fittings = lumbar support. Seat depth = 450 mm. Seat width = 480 mm. Shape of seat shell = orthopaedic 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. Contoured back rest with integrated lumbar support. Patented orthopaedic fitness seat Orthositz with Body Balance Tec joint. Height adjustable arm rests as standard. Permanent contact mechanism, individually adjustable and lockable. Attractive and stable five star base, chrome plated. Comfortab