One exercise strengthens ALL hand muscles.

The Handmaster strengthens both the front (flexors) of the hand when squeezing the ball and the back (extensors) when opening the hand.

Available in Soft, Medium and Hard

Used to: Enhance Performance
Rehabilitate & Prevent Injury
Improve Stamina
Ideal for: Tendonitis
Tennis Elbow
Osteoarthritis
Carpal Tunnel
and more....