ST Centro Executive Chair Centro Features Adjustable seat height Adjustable seat and back angle Adjustable weight tension Adjustable lumbar Adjustable arms Optional adjustable headrest Plastic under pan Synchron mechanism with 3 locking positions 700mm aluminium base Available in black only Minor assembly required Suitable for indoor use only 5 year warranty Weight limit is 120kg https://tableschairs.au/product/st-centro-executive-chair/