CH-531B-HS★Backrest: PA back frame, lumbar support, lumbar support can be raised and lowered 10.5CM, maximum recline 125°★Seat: 7.5CM thick high-density shaped cotton, seat can slide 4CM forward and backward★Armrest: PU surface 4D armrest, up and down), can slide forward and backward, swing left and right, slide left and right★Chassis: Four-speed locking self-load chassis★Gas rod: 85mm stroke 80mm countersunk black three-stage gas rod★Chair feet: 345mm gray PA five-star feet★Chair wheels: 60/25 black PU wheels Back to product list