Dimension/cm: 101× 120×116. Material: high-quality steel, high-density sponge, leather, etc. Seat cushion height adjustment range/cm : 55～65 Adjustable range of forearm cushion/cm ：0～15 Angle adjustment range of angle adjustment bracket: 0 °~-20 °. Backrest cushion angle adjustment range: 90 ° ~ 100 °. Angle adjustment range of forearm support/cm: 0 °~150 °. Adjustable range of lifting bracket/cm: 0 °~10 °. Quality and quantity of dumbbells: 4 lbs/piece, total 6 pieces Seat cushion rated load: 2000N Suitable for people with elbow flexion and extension activity disorders to carry out continuous elbow traction training, to improve the range of motion of the elbow joint. Traction The quality and direction of traction, seat height and fixation area are all adjustable.