CanDo© Digi-Squeeze© hand exerciser is a hand-held foam exercise ball for squeezing that helps develops isolated finger strengthflexibilityand coordination for rehabilitation of carpel tunnelarthritisstrokefracturestendon injurynerve lacerationstennis elbow and more. * The ball comes with exercise pamphlet and is available in three different sizesfor smallmediumand large handsand 5 different resistances. * Each ball has finger and thumb positioning indents and markings for both left and right handed use. Weight: 0.3 lbs. Dimensions: 3.2x 3.2x 3.2

