M4 Chair Feature :

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- Backrest, mesh /fabric mounted in nylon frame 

- Adjustable lumber support

- Seat pad, fabric with foam supported by wooden cover 

- Loop armrest in nylon

- Seat mechanism, option with central-position/synchronized

- Seat tension control, adjustable knob increase / decrease tension

- Seat height adjustment, class-4 gas cylinder

- 5 star base, option with nylon /aluminium

- Dual-hard castor, option with nylon / PA

- Sled base, option with metal in black / chrome 

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