Finger Power Set of 2 Strength Training Finger Trainer Grip Strength Training Ziifun Adjustable Resistance Level Grip Recovery Power Grip Grip Training For Men and Women, All Ages Easy to Use (Black + Black) Brand New 【Package Contents & Specifications】High-quality silicone, Finger Trainer * 2 (Black) & Adjustment Band * 2. 【Grip Strength Training】Power fingers not only improve the strength of fingers, wrists, and forearms, but also have a relaxing effect after training. The feel of the finger stretcher varies depending on the intensity level, allowing you to train according to your needs. 【Durable Material】This finger power trainer uses excellent silicone material, so it not only does not hurt your palms during daily use, but also has excellent abrasion resistance. There is no need to worry about tearing, and it can be used for a long time. 【Adjustable Strength Level】Based on the grip strength of the finger trainer, there are multiple levels for grip strength training. You can freely adjust to the appropriate level, suitable for both men and women of all ages. 【Space-Saving】The finger power body is compact and can be used at home or when going out. It is perfect for those who lack exercise and is also effective for stress relief. Let's do finger training anytime, anywhere.