Hand Grips Hand Strengthening Ball (yellow)Need stronger hands and fingers? This hand grip trainer helps build wrist, finger, and forearm strength. Squeeze it for grip training. Roll and press it for hand massage. Stretch your fingers with the built in loops. Grip to your limit, hold for a moment, then slowly release. Repeat daily for better flexibility, strength, and hand control. Compact, soft, and easy to use anywhere. One tool, multiple ways to train your hands.