Sven XRE1 Executive â€“ Operator Chair
Synchro Mechanism: adjustable seat height: backrest height easily adjustable with concelaed ratchet mechanism.
Free-rolling castors, suitable for use on carpets or other soft flooring (optional castors available)
All chairs supplied assembled and bagged.
XRE1 Comes with ring arms or adjustable arms
Ring arms £189
Adjustable arms £199
Have a look http://www.office-furniture-systems.co.uk/products/xre1-executive-operator-chair/