The Black Green Lion Grip Force Hand Grip Strengthener enables users to enhance their grip strength through precise training methods. The strengthener enables users to train at different intensities through its resistance system, which supports weights from 10 to 150 kilograms and 22 to 331 pounds. The device uses a high-tension steel spring to maintain its strength, while the ergonomic finger grip enables users to maintain a secure grip, which lets them concentrate on strength training without feeling pain. The device features a digital repetition counter that tracks your training progress by recording up to 9999 repetitions. The reset button allows you to restart the count at any time. The strengthener functions as a compact training device that users can take to their home, gym, or any location. The device serves as a dependable and long-lasting solution that helps users develop grip strength for sports purposes and hand strength for other activities.