Exerfit Hand Strengthening Rings
- These three squeeze rings are ideal for building grip strength.
- Made of durable, 100% food grade TPR (a man-made polymer similar to in texture to rubber, but not latex).
- Available in 3 strengths. Buy individually or as a set of 3.
- Blue: soft
- Red: medium
- Green: firm
|Set of 3 (green, yellow and red)