Features 1. Ergonomic Design: Train both hands simultaneously. Made with high-quality, soft materials, our hand grip strengthener provides a comfortable and safe exercise experience. 2. Comfortable and Durable: Features powerful rubber grips with textured grooves and protrusions to prevent slipping. Designed for comfort, safety, and long-lasting use. 3. Adjustable Resistance: Easily adjust resistance from 10 to 130 lbs to suit your needs. Ideal for athletes, fitness enthusiasts, musicians, and anyone looking to strengthen hands, wrists, and fingers. 4. Multi-purpose: Helps improve forearm, wrist, finger, and hand strength and flexibility. Supports muscle development and is beneficial for rehabilitation after hand injuries, arthritis, carpal tunnel syndrome, tendonitis, wrist fractures, and post-surgery recovery. 5. Portable Design: Constructed from lightweight, high-quality materials for easy portability. Enables convenient grip training anytime, anywhere. If you have any questions, via email for a money-back guarantee or replacement. Specification Material: ABS Color: Multicolor Size: 11 x 17 cm Package Includes: 1 x Hand Grip Strength Trainer