Mechanism: Swivel & tilt mechanism with back tension adjustment. Gas Height Adjustment Single laminated pressed plywood shell Base: 600mm Nylon base with 50mm hooded castors Back: Pressed plywood. VP30 medium density foam. Seat: Pressed plywood. Laminated VC64 chip foam and VP70 high density foam. Polyurethane loop arm with steel insert Arm Sub Frame: 25mm Round tubing
