The definitive instrument for athletes and enthusiasts of many different kinds of sports, hobbies and pastimes (especially Musicians!) A highly addictive and fun to use "gadget" for competitive males & females (could you secure a place on the Top 100 scoreboard??) A revolutionary new fitness product to help tone the arms and shoulders for women or build substantial power and muscle in the arms, wrists, hands and shoulders for men The perfect instrument to gently rehabilitate lower forearm and wrist joints affected by carpal tunnel syndrome, repetitive strain injury RSI, arthritis or previous breakage NSD Powerball is supplied to you with a 25 year Gold warranty and a full money back guarantee.  More Info...