These come in a progressive sequence of 5 colors.
It is used to strengthen the hands, fingers and forearms.
It can be used for rehab as well as for sports training or stress relief.
Rehabilitate post-operative/post-traumatic hands and arms
Restore function in hands, arms and shoulders following stroke
Reduce pain and stiffness in arthritic fingers, hands and wrists
Relax tense, sore muscles and reduce stress