Strength Training EquipmentHand exerciser grip strengthener can help improve your overall grip strength, relieve finger spasms, numbness, improve blood circulation, recover from injury or increase your finger strength. Perfect for athletes, musicians and physical therapy patients. Relieve StressStress relief exercise hand balls with nice size is easy to carry and hold, can be squeezed at any time to reduce stress, helps to relax tense nerves in the hand and distract. High Quality MaterialsHand exercise balls are made of high-quality soft silicone material, soft,comfortable, strong tensile, anti-breakage,durable, compact, flexible and easy to clean. Comfortable gripFinger grip ball shape in line with human palm, moderate size, non-slip handle, bump massage design,can tap the neck, shoulders, legs and other parts of the body,It is portable,you can put it in your pocket or handbag so that you can use it anytime and anywhere Wide ApplictionHand grips strengthener is ideal for long time use of hand strength of office workers and athletes, the elderly with arthritis, carpal tunnel, tendonitis, fingers, thumbs, wrists, carpal tunnel, forearms and elbows condition of the late sports rehabilitation personnel.