SUPPORT SY ergonomic swivel chair, with arm rests, synchronous mechanism, black. Supplied = flat pack. Cover material = polyester. Colour of covering = black. Back rest colour = black. Frame colour = black. Frame material = recycled plastic. Seat mechanism = synchronous mechanism. Frame design = with castors. Height adjustment range = 420 - 550 mm. Type of arm rests = with arm rests. Back rest height = 570 - 650 mm. Seat depth = 430 mm. Seat width = 450 mm. Shape of seat shell = lumbar support seat. Design of castors = castors for soft floors. Max. load = 110 kg. Period of use/day = up to 8 hours. Product type = ergonomic swivel chairs. Cover fabric made of 100% post-consumer polyester. Plastic components (back rest, arm rests, five star base, seat) made with a share of recycled plastic. Synchronous mechanism for synchronous adjustment of seat and back rest inclination. High, contoured back rest with moulded spine support, height adjustable using incremental mechanism. Special ergonomi