- Allows full range of motion of hand and fingers.
- Maintains consistent resistance throughout the exercise.
- Made of a non-latex polymer.
- 2 sizes to accommodate most hands.
- Comes in standard and x-large sizes in the following weights: 1.5 lbs. (yellow), 3 lbs. (red), 5 lbs. (green), 8 lbs. (blue), 17 lbs. (black).