Made of high quality silicone, not easy to tear. It is washable and can be used frequently and comfortably. Finger Exerciser Set of 3 is a great starter set to improve your overall grip strength, recover from an injury or increase your finger strength. The ergonomic design of the hand exerciser makes it a perfect device for rehabilitation purposes. Light blue: 3 kg Blue - 4 kg Dark blue - 5 kg Use a different finger exerciser depending on your strength needs. Our finger stretcher has a small size and a modern look. You can use it on the road, travel (car, plane, bus), office, school, watch TV or any other place you want to exercise.

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