Through simple squeezing exercises, you can develop the hand, wrist and forearm strength you want for athletic or everyday pursuits. This handy SPRI® kit includes medium, firm and extra-firm hand Xerciser™ balls that can even be heated or chilled for different applications. The varying resistance levels allow you to gradually build strength and stamina for a better grip.
- Set contains medium, firm and extra-firm hand Xerciser™ balls that can be heated or chilled for different applications
- Strengthens hands and forearms
- Increases circulation and stamina
- Prevents finger stiffness
- Exercise guide included