- Newly style dumbbell, you just rotate the steel ball and the Centrifugal force will twist your arm !!!
- The faster ball rotating, the stronger strength you will feel.
Rolling Ring
Model/Item No. | Material |
---|---|
EVA_830 | Plastic, Iron ball |
Country of Origin | Color |
TAIWAN | Blue, Pink, Grey |
- Product Specifications
- Features
1 PC / COLOR BOX (25 x 5.5 x 25 cm)
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