1. Seat height adjustment with height quality pnematic gaslift.
2. Two lever control mechanism with any positon locking which provides pleasure in flexible, dynamic seating movement.
3. Back height adjustment to provides added support for the lower back ensure good posture.
M1-Functional Mechanism
With US BIFMA standard passed two lever control mechanism for back height adjustment and back rake movement.
NB4 + R1 Base Roller
With US BIFMA standard passed nylon flat base NB4 with R1 50mm nylon castor.

1. M9 swivel chair mechanism with seat height adjustment and pneumatic gaslift.
2. Height adjustment foot ring.
NB5 + R1 Base Roller
With US BIFMA standard passed nylon flat base NB5 with R1 50mm nylon castor.
NB5 + R5 Base Glider
With US BIFMA standard passed nylon flat base NB5 with R5 58mm nylon glider.