- // Features
* Simple to use and easy to integrate into almost any training condition.
* Design for gripping to forearm, fingers, hands and wrists.
* Strength the hand muscular endurance.
* Good for rehabilitation.
* Produced by Taiwan manufacturer with good quality.
- // Specification
Light: SPRING: 1.2mm
Medium: Spring: 1.4mm
Heavy: Spring: 1.6mm