XUEMEI IOne size fits best: The circumference of the upper arm can be adjusted to 17.3 inches, while the circumference of the lower arm can be adjusted to 12.2 inches; the length of the stand can be adjusted from about 40 to 49 cm. This means that most arms, even larger ones, will fit perfectly on this elbow brace.Range of Motion Training: Provides full control over the elbow range of motion. The stand features an adjustable locking dial and stretch and flex sliders. Allows for gradual recovery, range of motion dial can be set for 90 to 0 degree stretchOpen design: conservative recovery of elbow dislocation or dislocation, stabilization of distal humerus or proximal radius or ulna or internal fixation of fractures and elbow fixation. Fully open design, easier to wear and comfortable to wearTwo modes can be switched freely: 1. With a detachable armrest, it strengthens the fixation of the elbow and prevents the pain caused by shaking. 2. Combined with a foam fitness ball, it helps stimulate blood circulation in the arms and shoulders, speeding up the recovery time.Wide range of application: suitable for elbow fracture fixation, joint contracture fixation, joint ligament rupture, joint dislocation fixation, elbow ligament injurySize: suitable for height 130-190cmColour: BlackPacking list: 1pcs"