Powerball, the gyroscope ball that packs Power – Available from NSD Powerballs
Using Powerballs will increase wrist and grip strength

NSD Powerball 250 Hz Regular

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Price: $24.99

The classic 250 Hz Regular Powerball. Select Amber or Blue at Checkout.

The classic 250 Hz Regular Powerball. Finely balanced to the 250 Hz specification and does NOT include the digital RPM Counter.

Select Amber or Blue at Checkout.

Supplied with 2 starter cords.

Lifetime Warranty & 90 Day Money Back Guarantee.