AIR SYNCRO office swivel chair, mesh back rest with padded side parts, black/blue. Supplied = flat pack. Cover material = polyester, Trevira CS, flame retardant. Colour of covering = black, blue. Frame colour = polished aluminium. Frame material = aluminium, polished. Seat mechanism = synchronous mechanism. Frame design = with castors. Height adjustment range = 410 - 530 mm. Type of arm rests = without arm rests. Back rest height = 570 mm. Seat depth = 460 mm. Seat width = 500 mm. Shape of seat shell = flat seat with knee roll. Design of castors = castors for soft floors. Max. load = 110 kg. Period of use/day = up to 8 hours. Product type = office swivel chairs. Comfortable flat seat with convenient knee roll. Synchronous mechanism with body weight adjustment. Polished aluminium five star base with double safety castors. Supplied flat pack - easy self-assembly. Your advantage Pro-Office swivel chair with an innovative seat design. Height adjustable mesh back rest with additionally upho