Silicone Gripper Finger Exercise Grip Ring, Specification: Universal point of 50LB blue

1. Material: silicone
2. Weight: 65-70 grams
3. Size: about 7.5cm in diameter
4. Applicable people: 20LB (suitable for elderly or rehabilitation use), 40LB (suitable for ladies or men with less strength), 60LB (suitable for men), 80LB (suitable for men), 100LB (suitable for men with greater strength)
5. Uses: finger exercises, rehabilitation training