A)While holding top of the Back, you can easily increase back height just by lifting gently as it locks at the required position
B).Adjust the Angle of the Back as you like, and fix the angle by releasing the lever.
C) Adjust both Seat & Back Tilt Angle as you wish by fixing lever at desired position.
D) Seat Height Adjustment by Pneumatic Gaslift (Suspa Germany approved)
E) Patented Seat sliding Mechanism. (Forward & backward sliding possible)