ST Ergo-1 High Back Executive Chair Adjustable seat height cable controlled Adjustable back height (ratchet) Adjustable seat and back angle cable controlled Adjustable seat depth (seat slider) cable controlled Adjustable weight tension Adjustable active lumbar Adjustable arms Adjustable headrest Coat rack Synchron mechanism with 3 locking positions 700mm aluminium base Available in black only BIFMA tested Minor assembly required Suitable for indoor use only 5 year warranty Weight limit is 120kg