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- Powerful, efficient upper body & arm exerciser which rapidly tones or builds muscle depending on the spin speed of the internal steel ball
- Utilises isometric resistance to quickly engage a higher percentage of muscle fiber compared to regular isotonic free weight training
- Small, light and portable fitness product can be used as a home exerciser, in the office or as an efficient pre-sports warm up accessory
- Produces visible, measurable results within a 30 day time frame for both male and female users, regardless of current fitness levels
- Develops 100% non-impact resistance which may be used to rehabilitate elbow RSI, upper arm and shoulder impingement injuries through enhanced blood flow and tendon strengthening
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