This grip strength trainer is the only one that we’ve ever seen that exercises your individual fingers.
The Spring tension varies so you have a choice on how hard you want to work your fingers.
The blue is the light tension, the red is the medium tension, and the black is the heavy.
The Grip Master Hand Strength Trainer is the only one that we’ve ever seen that exercises your individual fingers.
The Spring tension varies so you have a choice on how hard you want to work your fingers.
The blue is the light tension, the red is the medium tension, and the black is the heavy.
| Weight | 1.0000 oz |
|---|---|
| Dimensions | 3.0000 × 3.0000 × 1.0000 in |
| Spring Tension | Light, Medium, Heavy |
