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

NSD Powerball Neon Parts Kit

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Price: £2.99

Parts kit for Neon Powerballs.

A pack of replacement parts for your Neon Powerball. For 250 Hz Regular, Pro and Signature models.

Includes rotor support band and washer set.