Twin lever adjustable back and heights | Tilt lock mechanisms | Injected moulded seats will never lose shape | Australian designed, engineered and distributed | Built to AS/NZS 4438:1997 | 10 year Warranty | 3 year warranty on foam, fabric and/or leather | 180kg weight load capacity | SGS Level 6 Korean Class 4 gases | SGS Level 6 full cast mechanisms | SGS Level 6 adjustable arm kits (only applicable on chair with arms) | SGS Level 6 double dipped chrome 5 star base | SGS Level 6 all new plastics, no recyclables | SGS Level 6 large premium rubber castors | Sustainablly sourced heavy duty moulded commercial PLY framing | Premium commercial coloured mesh (only applicable on mesh back chairs) | Class 5 PVC free anti-microbial commercial PU 200,000 cycles