。Small, compact and portable
。No starter cord or battery required. Just roll the rotor in the direction of the arrow. When sufficient tension is achieved, release and start to rotate your wrist.
。Control the speed at your wish – spin slowly for gentle rehabilitation or spin fast for muscle building, toning and strengthening
。Suitable for the elderly, nursing, treatment, rehabilitation personnel
。Speed up to 10,000+ RPM, which in turn provides about over 22lbs of torque for an intense hand
。The anti-slip band allows you to have a greater control of the ball
。Wrist strap attached keeps the ball from slipping off your hand