Topstar flat seat with knee roll and Body Balance Tec®, flat seat with knee roll and Body Balance Tec®, black

Operator swivel chair, point synchronous mechanism, flat seat with knee roll and Body Balance Tec®, black. Supplied = flat pack. Model = upholstered back rest. Seat colour = black. Fittings = lumbar support. Frame colour = polished aluminium. Frame material = aluminium, polished. Seat mechanism = synchronous mechanism. Frame design = with castors. Seat height = 420 - 550 mm. Type of arm rests = with arm rests. Back rest height = 580 mm. Seat depth = 480 mm. Seat width = 470 mm. Shape of seat shell = flat seat with knee roll. Conforms to = EN 1335 parts 1 - 3, GS tested, DIN EN 1021 parts 1 - 2. Seat material = polypropylene. Design of castors = castors for soft floors. Max. load = 110 kg. Period of use/day = up to 8 hours. Product type = office swivel chairs. Customs tariff number = 94013900. Country of origin = DEU. Gross weight = 25.238 kg. Weight = 23.538 kg. With adjustable armrests. Synchronous mechanism with Body Balance Tec®. Polished aluminium five-star base. Back rest with height adjustable lumbar support. Easy care fabric covering. Five-star base made of polished aluminium. Castors for soft floors as standard. Flat seat Deep and wide shape, in foam, within a plastic sub-shell with additional knee roll. Body Balance Tec® The patented seat joint for freedom of movement in every direction. Supplied flat pack - easy self-assembly. Your advantage Comfortable flat seat with knee roll and Body Balance Tec® pivoting seat joint for three dimensional dynamic sitting. Back rest fastened with aluminium braces, integrated height adjustable lumbar support. Clothes hook. As standard with height and width adjustable arm rests.