CH-283A★Backrest: PA back frame, with PA special mesh fabric, with 8 levels of ergonomic up and down adjustment of the lumbar support★Seat: PA chair frame, with PA special mesh, with 5 levels of sliding function front and back★Armrest: PU armrest surface 3D lifting armrest 7 levels of lifting★Chassis: Four-level wire-controlled locking chassis★Gas rod: 65mm stroke, 50mm countersunk three-stage gas rod★Chair feet: 340mmPA five-star feet★Chair wheels: 60/25 black PU wheelsBack to product list