DimensionsOverall: H36 W26 1/2 D26 1/2Inside: Seat H18 Arm H24Back: H18 1/2 W18 1/2Seat: W19 1/2 D18 FinishesN/AFeaturesCobra BackArms: 10" Wave "T"Mechanism: Synchronized with Torsion ControlBack Ht. Adjust: Finger-tip Control; Seat & Back Angle Adjust; Left Hand Lever, Free Float, Lock In Any Position 2:1 RatioFormed Lumbar