CH-517B★Backrest: PA adaptive elastic double back★Seat: PA outer frame + shaping cotton★Armrest: PA armrest frame + PU armrest surface, 3D armrest★Chassis: Five-speed locking self-loaded chassis with sliding function★Gas rod: 65mm stroke, 50mm countersunk three-stage gas rod★Chair feet: 350mmPA five-star feet★Chair wheels: 60/25 black PU wheelsBack to product list