Five-finger grip ball with ergonomic design is suitable for all hand types and all age groups,which is very suitable for men,women,the elderly and teenagers.Mini size,light and small balls are very convenient for you,and you can put in any pocket and do hand exercises anytime, anywhere. Features Five-finger grip ball -Material:Elastic PU and silicone. -Size:10x9 cm 3.94x3.54 inch. Note: There may be a 0-1cm error due to manual measurement. Package Including 1 Finger exerciser Range of Application: -Hand thumb long tendons and extensor tendon refers to the function exercise, Prevention and correction contracture stiff -Wrist extensor and stretch refers to machine paralysis (Radial side nerve palsy) -Patients with hemiplegia wrist and finger dysfunction Fingers and wrists weakness Through the training to improve the related parts of the muscle and joint activities associated with increased. -Drop hand (radial nerve injury), Tendon repair [EMAIL SUPPORT] Contact us online for product questions, concerns.The message will give you a reply within 24 hours. I am committed to do whatever possible to resolve it.?Ergonomic Design: The perfect design of our finger and hand extensor exerciser leads you to the maximum motions of range in exercising. Adjustment can be worn by anyone with a comfortable fit, regardless of wrist circumference. ?Correct Muscle Problem: This hand grip exerciser is meant to correct muscle problems and increase blood flow to the affected area. Finger expander helps people with arthritis reduce hand pain and stiffness while also improving finger function and movement for better finger mobility. ?Help Wrist Finger Rehabilitation: Our hand-grip workout equipment is designed to increase the strength of the fingers, wrists, and forearms. Exercise each finger trainer individually or the entire hand-arm strengthening. Hand exerciser isolates and exercises each finger individually for strength, dexterity, and endurance. ?Finger Working Out: Musician exercises fingers. Finger working out is a rehabilitation sport that trains fingers to separate and stretch, keeping hands in normal posture. With our Hand trainer with resistance bands, you can exercise fingers, wrist strength. ?Professionals Recommended: Hand yoga resistance band is being used by many international professionals in various fields such as musicians, physical therapists, doctors, and technicians for their healthy hands and finger.