Kuichu 4 Pcs Hand Grip Strength Trainer, Professional Hand Exercise Stress Relief Balls, Hand Grip Strengthener Balls for Finger Wrist Therapy Rehab Exercise.(13 kg, 20 kg, 25kg, 30 kg)
- [Four resistance levels] The hand grip strength trainer ball set includes four balls of different resistance levels. Their resistance levels:28Lbs (yellow), 44Lbs (orange), 55Lbs (blue), 66Lbs (green). According to the intensity of exercise, choosing the right training ball can give you more effective training.
- [Exercise hands, reduce muscle fatigue] The grip training ball can not only help you strengthen your hand exercises and relieve joint pain, but also help patients with hand injuries to carry out rehabilitation training. When you hold it and press it, it can also help you relieve stress.
- [Use it Anywhere Anytime] These balls are made of high-quality thermoplastic rubber,and adopt an egg-shaped design, are very light and small, easy to fit in your pocket and carry-on bag. It is convenient for you to use them to exercise your hands anytime, anywhere. These training balls are easily cleaned by washing. Then let it dry naturally so that you can reuse it.