• Product photo on a white background
  • Rounded Ball Form — English product infographic
  • Clear Upper Shell — English product infographic
  • Inner Rotor Detail — English product infographic
  • Printed Band Marking — English product infographic
  • BallStren wrist ball
  • BallStren wrist ball detail
  • BallStren wrist ball in use
  • BallStren wrist ball features
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BallStren Wrist Ball Hand Exerciser

BallStren Wrist Ball Hand Exerciser

$31.99 USD
$63.98 USD $31.99 USD
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Description

Build strength, improve grip and train anywhere with BallStren — a self-starting gyroscopic wrist ball with counter, no batteries needed.

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