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

Technical Details

Product Details

Product Dimensions

Package Dimensions
Width : 10.71 inch
Height : 2.36 inch
Length : 10.87 inch

Item Weight: 1.76 pounds (View shipping rates and policies)
Shipping Weight: 1.94 pounds (View shipping rates and policies)

ASIN : B006H17QFS