Powerball Powerspin Evo Isometric Arm Exerciser for Strong & Toned Arms and Shoulders. Rehabilitate Injury and Eliminate Bingo Wings

Powerful, efficient, effective – Powerspin is an upper body & arm exerciser which rapidly tones or builds muscle depending on the spin speed of the internal steel ball (no battery required).
This simple device utilises isometric resistance to quickly engage a higher percentage of muscle fiber compared to regular isotonic free weight training.
Small, light and portable, this fantastic fitness product is made in the United Kingdom and can be used as a home exerciser, in the office or as an efficient pre-sports warm up accessory.
Powerspin develops 100% non-impact resistance, which may be used to rehabilitate elbow RSI, upper arm and shoulder impingement injuries and bursitis through enhanced blood flow and tendon strengthening.
Produces visible, measurable results within a 30 day time frame for all users, regardless of current fitness levels. Join the thousands of happy Powerspinners worldwide today to enjoy strong, toned arms in no time.