Benificer Hand Grip Strengthener (5 Pack)

Set of 5 different hand grip strengthening tools, including: an 

adjustable hand squeezer exerciser, a hand cruncher grip silicone ring, a thumb strengthening extension exerciser, finger stretcher, and a therapy stress ball.

Resistance varies from 4 pounds to over 80 pounds (depending on the tool used), allowing for light and heavy training. Products made of high quality silicone.