Torasen Blue Office Swivel Desk Chair 1 Available 
Lots of functions .Seat Back and Arm height. Seat Tilt and seat depth. The chair has lumber Bazk support ( so if the pictures of the back look at kittle dented, it's only because not much air has been pumped into Back)) 
Also this Chair has a lovely adjustment of being able to roll away the arms as pictures show. This can help people get out the chair 
The chair has a nice little rocking motion on back. Not stiff and hard on back 
Max seat height 55cms seat width 50cms and 48cms deep 
The condition is fully working. The chair does have minor marks to fabric and you may find it needs a clean. Also as one pic shows one area of seat has abut if wear with bobbles