Product description Size: 14.5 cm Color: Blue Material: Main body PP engineering plastic + TPR handle plastic film + steel & agrave; spring Package content: 1 * clamp 1. Hand trainer with counting function: With this function, the number of consecutive printing processes can be recorded; between 0 and 99 & agrave; each use. Easily adjustable resistance range 5-60 kg. Perfect for beginners and advanced users! 2. Hand trainer Rehabilitation equipment: Hand trainer Finger training set for the treatment of patients with injuries. hand, tendonitis, arthritis, carpal tunnel syndrome and tennis elbow. Quickly strengthen targeted muscles without injuring yourself. 3. Wide range of use Hand trainer Finger dumbbell: Relieve your stress while increasing forearm strength and hand strength. Is a forearm training device for fitness, crossfit, climbing, bouldering, tennis, boxing, training, guitar etc. Regardless & agrave; at home, traveling or in the office, our finger trainer is the perfect companion. 4. Pocket size - easy & agrave; to carry: The ergonomically shaped handle of the Sporgo hand trainer lies particularly comfortably and securely in the hand. Perfect for everyday use, you can train and develop your muscles. anytime and o & ugrave; that you are. Thanks to this & agrave; Special surface structure, our hand muscle trainer guarantees perfect handling without slipping! 5. Ergonomic design: The improved and widened handles are equipped with high-quality soft plastic plates. for the skin to make you more comfortable.