Technical Parameters: 

►Backrest Size: W380 × H290 mm
►Seat Size: W440 × D400 mm
►Backrest Function: Depth‑adjustable
►Seat Cushion Function: 360‑degree swivel seat
►Armrest: PU polyurethane armrest, height adjustable
►Gas Lift: Passed US BIFMA X5.1 safety and durability certification
►Height Adjustment : 435‑555 mm ±10 mm/465-605mm
►Base: Φ560 mm, 5‑star electroplated steel base
►Casters: Silent casters