Ivation Hand Exercise & Therapy Kit: (3) Hand Therapy Exercise Balls in Varying Resistance; (1) Medium-Resistance 12&rdquo; Flex Bar; (1) Medium-Resistance Finger Extension Exerciser Total Hand Fitness Kit Improves Strength & Reduces Tension in Fingers/Wrists/Arms 5-Piece Set Includes 3 Hand Therapy Balls, 1 Flex Bar & 1 Finger Extension Exerciser 3 50mm Balls Help Prevent Muscle Stiffness, Increase Flexibility & Relieve Joint Pain 12 Flex Bar is Clinically Proven to Reduce Elbow Pain & Build Strength in Tendons Medium-Resistance Finger Extension Exerciser Improves Dexterity & Aids Recovery