HandMaster Doczac Plus 2-Pack Physical Therapy Hand Strengthening Exerciser

This product was recommended by my doctor for some finger pain that I developed as a result of a synovial cyst that is sitting on a nerve on the back of my hand. The cool thing about this product is that you get two different density balls and four different stretch bands. For people like me with low muscle strength, the soft ball with medium stretchy bands is perfect. This exercise ball works the grip strength and finger strength.