Topstar without arm rests, with lumbar support, without arm rests, with lu

Standard swivel chair, without arm rests, with lumbar support, back rest height 570 mm, charcoal cover, 3+ items. Supplied = flat pack. Cover material = polypropylene. Colour of covering = charcoal. Frame colour = graphite black RAL 9011. Seat mechanism = permanent contact mechanism. Frame design = with castors. Height adjustment range = 420 - 550 mm. Type of arm rests = without arm rests. Back rest height = 570 mm. Fittings = lumbar support. Seat depth = 460 mm. Seat width = 490 mm. Shape of seat shell = contoured 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 4 hours. Product type = office swivel chairs. Extra high and wide trapezoidal back rest with integrated lumbar support. Large and comfortable special contoured seat with pelvic support. Permanent contact mechanism, can be locked at any position. Height and inclination of back rest are adjustable. Elegant and stable nylon five star base. The seat shell of the chair is installed on a frame in graphite black (RAL 9011) and has an easy care fabric cover. It is equipped with castors for soft floors as standard, which ensures mobility and protects your workstation floor at the same time. Delivered flat pack, assembly is quick and easy. A key feature is the extra high and wide trapezoid shaped back rest with integrated lumbar support, which ensures exceptional comfort and ergonomic support for the lower back. The chair also has a large, specially contoured seat with pelvic support, which increases comfort when seated and promotes good posture. The permanent contact mechanism that the chair is equipped with allows it to be smoothly locked in any position so that users can easily find and retain their ideal position when seated. In addition, the height and angle of the back rest can be adjusted to satisfy individual requirements of comfort. The design is rounded off by a visually appealing and robust nylon base that combines style with stability to provide a long lasting seating solution. Supplied flat pack - easy self-assembly.