Topstar ergonomic back rest, ergonomic back rest, black

PROFI STAR 15 office swivel chair, ergonomic back rest, black. Supplied = flat pack. Model = upholstered back rest. Seat colour = black. Frame colour = polished aluminium. Frame material = aluminium, polished. Seat mechanism = synchronous mechanism, adjustable seat inclination. Frame design = with castors. Seat height = 420 - 510 mm. Type of arm rests = with arm rests. Back rest height = 580 mm. Seat depth = 480 mm. Seat width = 500 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 = polyester. 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 = 25.661 kg. Weight = 22.861 kg. Height adjustable back rest, ergonomic shape in lumbar region. Comfortable flat seat with knee roll, seat depth and seat inclination adjustment. Synchronous mechanism with body weight adjustment, can be locked in several positions. Classic, comfortable and functional swivel chair. This classic swivel chair designed for comfort and functionality is distinguished by its height adjustable back rest, which is ergonomically shaped in the lumbar region. The comfortable flat seat with a knee roll, as well as the seat depth and seat inclination adjustment, offer ideal ergonomics and support. Equipped with a synchronous mechanism and body weight setting that can be locked in multiple positions, this chair adapts intuitively to the user's movements and weight to provide a customised and comfortable sitting experience.