Finger Exerciser Ball Hand Strengthener Set Hand Grip Ball Physical Therapy Finger Wrist Exerciser Strengthening Trainer for Arthritis Rehabilitation Athletes Musicians Guitar

Specifications:   Material: PU   Color: Finger Exercise Balls:Yellow(Hand Extensor Exerciser:green, blue)   Package size: 10.5cm x 9.5cm x 6cm   Package weight: 110g   Basic Exercises:  Finger Exerciser balls: Hold the ball completely in the palm ofyour palm, and do 10 hand stretch exercises, first with the right hand and thenwith the left hand, alternate exercises. Hand Extensor Exerciser: Step 1: Put your finger into the fingerhole first, Step 2: Open your fingers and expandoutward Step 3: Retract and expand your fingers,exercise repeatedly.