Vitility Powerball Hand Exerciser
The Vitility Powerball stimulates your muscles and nerves through squeezing. The more you train your hands, the stronger you become and the harder you can squeeze.
To accommodate as many users as possible with different needs, the Powerball comes in different sizes: Extra Small, Small, Medium, and Large. To achieve desired results and hand strength, it can be beneficial to vary between sizes.
Product Specifications
| Powerball available in different sizes | |||
| XS – Diameter 5 cm | |||
| S – Diameter 5.5 cm | |||
| M – Diameter 6 cm | |||
| L – Diameter 6.8 cm |