2 pieces(black) Hand Grip Strengthener, Forearm and Finger Exerciser - Muscle Trainer for Sports, Cl

Ergonomic design with pure silicone, 70mm/2.75p diameter, fits easily in your hands, 3 resistance levels 14/18/23kg; 1.77oz/50g each; non-toxic, no clicking or squeaking noise, no sharp edges Increasing grip strength over time through micro-movements of the hand throughout the day, during a meeting/training in online, while studying or when watching your child play sports, allows you to always have a good grip Helps improve grip strength for sports like baseball, tennis, golf; increase finger strength for hobbies such as rock climbing or music; suitable for men, women, teenagers, adults and seniors Easy to use: squeeze, hold, release and repeat the movement with your palm, thumb and all fingers; insert one finger from each hand and gently pull outward; easy to clean, carry in a bag or pocket to use wherever and whenever you want Satisfaction is guaranteed, we aim to provide our customers with high quality, durable products and exceptional customer service