Mechanism - Synchronised Tilting Mechanism, with Single Position Locking during tilt
Base - Metal Chrome Base made specially for the Optima Chair
Casters - Polyurethene Soft Premium designer casters 
Handles - 2 direction (up+down) Adjsutable Arms, Material - Nylon
Gas Pump - Class IV Hydraulic Gas Pump ( BIFMA Certified) 
Upholestry - Back in Mesh, and Seat in Foam Padded Mesh
Color - Black

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