Product Description The PRO is our most advanced hand exerciser. It's ideal for professional athletes and motivated individuals seeking maximum performance. The PRO expands on the ingenious design of Gripmaster providing serious athletes with the most advanced technical hand exerciser in the world. Like Gripmaster it isolates and strengthens each finger individually, helping you improve your overall strength, endurance, and dexterity. Available in three different models of graduated resistance: Extra-Heavy, Heavy, and Medium.
