Operator swivel chair, with mesh back rest, back rest height 600 mm, grey cover. Supplied = partially assembled. Cover material = polyester, Trevira CS, flame retardant. Colour of covering = grey. Frame colour = polished aluminium. Frame material = aluminium, polished. Seat mechanism = synchronous mechanism. Frame design = with castors. Height adjustment range = 460 - 560 mm. Type of arm rests = with arm rests. Back rest height = 600 mm. Seat depth = 440 mm. Seat width = 480 mm. Shape of seat shell = flat seat with knee roll. Conforms to = fire safety standard EN 1021, part 1 + 2. Design of castors = castors for soft floors. Max. load = 110 kg. Period of use/day = up to 8 hours. Product type = operator swivel chairs. Back rest with height adjustable lumbar support. Easy care fabric covering. Trevira CS seat - flame retardant, meets fire safety standard EN 1021, Part 1+2. Mesh back rest made of 100 % polyester. Aluminium five star base, polished. Castors for soft floors as standard. Bod