RollerBall Classic
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Description
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Diameter :
Rollerball is an efficient tool to train your arms, wrists and fingers.
By speeding up the metal core of the gyroball, you can easily strenghten your grip for surfing, tennis, squash and any other practise.
Diameter :
Rollerball is an efficient tool to train your arms, wrists and fingers.
By speeding up the metal core of the gyroball, you can easily strenghten your grip for surfing, tennis, squash and any other practise.
Data sheet
1183
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