High back 2 lever operator chair with Asynchro mechanism Conforms to BS 1335 (2000) Part 2 Deep padded contoured back and generously proportioned seat with waterfall front Features gas height adjustment and back height adjustment Asynchro mechanism means that backrest angle can be fixed or set to free float with additional seat angle adjustment Available with fixed loop arms, height adjustable arms or without arms Black nylon base with easy glide castors Choice of colour 2 year warranty