This adjustable hand grip strength trainer (5–100KG) is designed to help you build hand, finger, wrist, and forearm strength through customizable resistance training. It is suitable for beginners, athletes, and advanced users who want to improve grip power and overall upper body performance. The adjustable resistance allows you to easily change the intensity level, making it ideal for progressive strength training, rehabilitation exercises, and sports conditioning. You can gradually increase the resistance as your strength improves.