- The spin ball is a unique hand and arm training toll
- To use it you spin the rotor up to 12.000 rotations per minute just by muscle power
- The higher the speed of the rotation the better the effect
- The highest force that can be reached is 15kg
- With this small ball you can train strength of the wrists,fingers,lower and upper arm
- Colour Grey/Green
- Weight 1kg
- Code 960121
- Barcode 4000885601213
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