Are you looking for a fun and convenient way to improve your grip strength? The TRNR Gel Balls will have you covered. In a pack of three with a light, a medium, and a heavy resistance, they allow you to progress at your own pace. They are perfect for crushing, pinching, and finger extension exercises, targeting the flexor and extensor muscles of the hand and forearm. You can also use them for reflex exercises or even as stress relief balls. The gel construction delivers superior comfort and durability.

• Pack of 3 grip-strengthening balls
• Ideal to restore hand and forearm mobility
• Help improve fine & gross motor skills
• Light (light grey): 10 kg/22 lb of resistance for rehab use
• Medium (dark grey): 20 kg/44 lb of resistance for strength building
• Heavy (black): 30 kg/66 lb of resistance for sports performance
• Diameter: 5 cm/1.97 in.
• Diverse applications: flexion/extension, reflexes, stress relief
• Easy to clean (in warm soapy water)