Improve your grip and support injury recovery with the adjustable NIYIKOW hand grip strengthener. This simple and efficient tool helps strengthen hands, forearms, wrists, and fingers, while also aiding in injury rehabilitation, stress relief, and endurance building. It is a great hand exercise solution for individuals suffering from arthritis, tendonitis, carpal tunnel, or recovering from tendon surgery. The resistance is fully adjustable from 22 lbs (10 kg) to 132 lbs (60 kg), allowing personalized training based on your needs. Exercises can be performed at home or in the office in just 5 to 10 minutes per day. Ideal for athletes, musicians, climbers, tennis players, and more. Built for durability, this grip trainer is made from sturdy plastic and reinforced metal alloy, designed to last longer than similar products made from inferior materials. The product is safe, reliable, and will not harm your hands or fingers, ensuring an excellent user experience. Designed to fit all hand sizes, it is suitable for men, women, teens, adults, beginners, and advanced users. Lightweight and portable, the NIYIKOW hand grip trainer is easy to carry in a bag and use anywhere.