Overall dimensions (L×W×H): 181㎝ × 145㎝ × 173㎝ Material: Mainly adopts high-quality steel, stainless steel ABS, etc. Components: 1. Forearm rehabilitation trainer 2.Wrist rehabilitation trainer 3.Shoulder rehabilitation trainer 4.Compound wall tensioner Product use: 1.Forearm rehabilitation trainer: It is suitable for forearm to perform resistance exercise and improve forearm rotation function. 2.Wrist rehabilitation trainer: It is suitable for the wrist to perform resistance exercise, improve the range of motion of the wrist joints and conduct muscle training. 3、Shoulder Joint Rehabilitation Trainer: It is suitable for the shoulder to perform resistance exercise, improve the range of motion of the shoulder joint and enhance the muscle strength of the upper limb. Product use: It is suitable for the limbs to perform resistance exercise, and can also be used for muscle strength training and joint mobility training. Features and functions: 1. It can be used for combination training of forearm, wrist joint, shoulder joint and limbs. 2. The movement resistance is adjustable. 3.Adjustable force arm for shoulder joint training. The height of the hand holding device is adjustable when performing forearm, wrist and shoulder joint training to accommodate people of different heights and arm lengths.