Four-finger: Four-finger design, better fixed finger, prevent slipping Multifunctional: Can be grip training, finger training, hand back massage and so on Massage point design: Grip strength exercise can deeply stimulate massage the hand acupoints, but also can relax the muscles of the whole body, local massage Easy cean: Wash the whole body, avoid sticky, not oily, the dirty is easy to clean Material:TPR Resistance: About 10lb Grip strength: About 5kg 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.? Perfect Gift - It is a perfect gift to send to friend,schoolmate,colleague,family.Also fit the elderly people to train the finger,or the children to relive stress. If you have any issues on our finger exerciser ball, please connect with us. ? Restore strength and dexterity - This Finger Exerciser ball is great Perfect for late stage exercise rehabilitation of all finger, thumb, hand, wrist, carpal tunnel,forearm and elbow conditions, increase strength and range of movement and it is your super-easy hand strength training. ? To Relive the Pressure -Hand Grip Strengthener Ball is nice size and easy to grip and train.It is good for you to reduce the stress in the busy life or boring life.You can use it while walking, traveling, in office, school, watching TV, phone calling or any place you want to exercise. ? Ergonomic - The shape of the grip ball is elliptical, allowing five fingers to be trained at the same time. The spherical shape fits the entire palm and helps to distract the palm of the hand during training. Under a long period of training, the palms are not so tired. ? Premium Materials - The finger strengthener are made of eco-friendly premium silicone that feels comfortable when you do your hand exercise.It is whippy,flexible and easy to carry.