Griffkrafttrainer für die Fingerspitzen Rehabilitationsball für Unterarm, Handgelenk und Hand, verbessert Griffkraft und Handgesundheit

High-Quality Grip Strengthener: This hand trainer is made of premium ABS material with a three-layer soft coating, combining optimal softness and durability. The TPE-coated buttons ensure a soft and comfortable grip during training, minimizing finger fatigue. Hand Muscle Trainer: This finger grip strengthener features a robust carbon steel spring that provides up to 45 kg of pull. The lubricated spring ensures easy rebound, resulting in even grip training and preventing overexertion. Practical Design: This finger grip strengthener is more robust, with five independent knobs featuring an ergonomic, custom-spaced design for precise finger and palm training. This helps improve the flexibility of each finger and enhances overall hand motor performance. Portable and Lightweight: The sturdy handle is lightweight and compact, making it ideal for carrying around. Whether at home, at work, or on the go, this grip strengthener is ideal for relieving stress and strengthening hand muscles. Versatile: This adult finger trainer features five independent levers for individual training of each finger. It is ideal for strength training, stress relief, or activities that require strong grip, such as rock climbing or playing musical instruments.