The brace is designed to be adjustable to fit most people and contains a removable metal splint that can be repositioned to allow the brace to be used on either wrist. The TheraActiv Reversible Wrist Brace with magnets provides support for the wrist. TheraActiv Magnetic Reversible Wrist Brace - One Size | CVS The wrist brace contains 20 strategically placed magnets to provide optimum magnetic therapy..