BALANCE 400 operator swivel chair, with Body Balance Tec, incl. arm rests, bordeaux covering. Supplied = flat pack. Cover material = polypropylene. Colour of covering = bordeaux. Frame colour = graphite black RAL 9011. Frame material = nylon. Seat mechanism = permanent contact mechanism. Frame design = with castors. Height adjustment range = 420 - 550 mm. Type of arm rests = with arm rests. Back rest height = 580 mm. Fittings = lumbar support. Seat depth = 440 mm. Seat width = 480 mm. Shape of seat shell = orthopaedic 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 6 hours. Product type = operator swivel chairs. Inexpensive all-rounder. Orthositz and Body Balance Tec. With arm rests as standard. Easy care fabric cover. Frame in graphite black RAL 9011. Castors for soft floors as standard. Body Balance Tec The patented seat joint for freedom of movement in every direction. Supplied flat pack - easy self-assembly. Your advantage The Body Balance Tec pivoting seat joint promotes dynamic sitting and strengthens back muscles. Thighs are not cramped by movements towards the side. With fixed, ring style arm rests as standard.