Helps in coordination of arthritis, tennis elbow
It is latex free
The ball comes with exercise pamphlet and is available in three different sizes for small, medium, and large hands, and 5 different resistances.
Each ball has finger and thumb positioning indents and markings for both left and right handed use.

Technical Details

Width : 0.75 cm
Height : 0.75 cm

Product Details

ASIN : B00ET0MPV4