Prim wristband made of a removable aluminum palm plate and plastic plates that enhance stability. Optimal adaptation to the hand by having four secure closures. Velcro wrist strap for pressure control. This orthosis leaves the thumb free, as well as allowing mobility of the other fingers of the hand. It allows range of motion by limiting maximum overextension and over flexion. It can be used by people who have some type of hand trauma. Also those who need it in their work or during sports practice. They serve to prevent injuries. Before using any type of support or orthosis it is recommended to seek the advice of a specialist. It should only be used during the activity and removed when finished.