Product Specification: This model is manual adjust chair, it is with nice appearance and good quality. Seamless cushion can prevent blood permeating, knockdown structure save the transport volume. The back section and leg section moved together adjusted by gas spring. Technical parameters: Chair dimension: 1650mm (curve length) x 560mm Height: 495mm Back section lift: 0 to 70° Arm board swing out: 0 to 45° Arm board height adjustment: 100mm Leg section turn: 0 to -60° (Leg section and back section work as one unite) Arm board dimension: 450×160 mm Packaging Details: Packing Size: 142*74*42cm G.W. 66 kg N.W. 50.5 kg 60 units for 20 feet container 120 units for 40 feet container