Perfect For Rehabilitation: Perfect Training Handle For Carpal Tunnel, Rheumatoid Arthritis, Arthritis, Tennis Elbow, Tendonitis And For People Recovering From Wrist Fracture Or Tendon Surgery. Relieve Anxiety & Strengthen Grip - These Finger Extenders Feature 3 Resistance Levels In 3 Colors. They Help You Concentrate, Train For Rehabilitation And Train Your Fingers And Hands. Safe And Odorless Material - Environmentally Friendly Silicone Products, Soft, No Cracks And Long Lasting, No Skin Irritant. Cleans Up Simply With Soap And Water. Contents: 12 Lbs, 10 Lbs And 7 Lbs Of Finger Strength Training And 30 Lbs, 40 Lbs And 50 Lbs Of Grip Rings. Start With A Low Level And Build Your Strength As You Progress To More Difficult Levels. Ergonomic Design For All Hands - The Hand And Finger Expanders Are Ergonomically Designed And Fit Well On All Hand Sizes . Comes With A Carry Bag, For Easy Storage And You Can Take It To Your Gym, Office Or Anywhere Else.