Offering the same superlative build quality as the other Powerballs in the range the 250Hz Autostart has the added advantage of being truly portable and can be easily operated by anybody - no strings, no thumb start, no flick start... just wind it back and let go for a perfect start every time!
This latest 250Hz model can be used for strength, training, rehabilitation and fitness applications as well as being an excellent addition to the training regime of any musician.
- Speeds of up to 15,000 RPM
- Built in speedometer
- Onboard counter with 3 programme functions
- Auto off feature
- Great for sports training
- Improve your wrist/arm/grip for sports
Note: There are two batteries in the speedometer. Using the Power Ball for an hour a day will give you about three years worth of spinning (and very strong arms) before they need replacing.