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This weight works on your chest, bicep, tricep and shoulder muscles for building definition, strength and size. The shaking design allows for easy operation.
- Works chest, bicep, tricep and shoulder muscles For building definition, size and strength.
- Helps muscles contract up to 240 times per minute For a thorough workout.
- Shaking design Provides easy operation.
Dimensions: 5-1/8" x 15-1/4" x 5-1/8".
Weight: 5.6 lbs.
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