- Seat Size: 520 W x 510 D
- Back Size: 490 W x 500 H
- Seat Height: 460 lowest - 570 highest
The ROKA is a unique chair with moulded dual density seat cushion with a ratchet back hight adjustment , mesh back, synchro mechanism also equipped with infinite locking. A true ergonomic task chair, it comes with options such as adjustable arms and a die-cast, polished 5-star aluminum base.