CH-K40B-BS★Backrest: PA back frame, PU lifting lumbar support, the whole chair can recline up to 125°★Seat: high-density, 7.0CM thick shaped cotton, seat can slide forward and backward★Armrest: PU surface 4D armrest, lifting, sliding forward and backward, sliding left and right, swinging left and right★Chassis: Four-speed locking multi-function chassis★Gas rod: 70mm stroke, 50 black gas pressure rod★Chair feet: 350mm white PA feet★Chair wheels: 60/25 PU universal wheels Back to product list