Features 1. Adjustable Resistance: This 2023 latest model of hand trainer can easily adjust the resistance of the handheld device to 22-265 pounds (10-120 kilograms) according to your needs. Easily customize grip resistance levels from beginner to advanced, gradually improving your grip level, fully exercising the strength and flexibility of fingers, hands, and forearms. This gripping device is very suitable for athletes, musicians, rock climbers, tennis players, and those who have recovered from hand or wrist injuries. 2. Intelligent timing and counting grip strength enhancer: This grip strength trainer has a built-in timer and counter that can track your grip strength at any time during exercise. Through the timing and counting function, you can better understand your hand training progress and results in 60 or 90 seconds. 3. Sports equipment and injury rehabilitation: This adjustable hand enhancer is perfect for enhancing the strength and flexibility of the forearm, wrist, fingers, and hands, as well as enhancing muscles. This gripping device helps reduce joint pain and stiffness, release daily stress, and aid in recovery after tendon surgery 4. High quality and durable materials: Thickened stainless steel springs are preferred. Our grip springs are made of the latest upgraded steel, sturdy, durable, wear-resistant, rust resistant, and not easily damaged. The quality of the spring ensures highly consistent performance, as the spring does not break or become soft over time, which is also a key feature of our hand trainer grip. 5. Suitable for various hand sizes and easy to carry: Our forearm grip enhancer is a multifunctional and well crafted exercise kit designed to enhance hand and forearm strength. It includes a squeeze ball and O-ring for different grip exercises. The grip of the handle is very portable and can easily fit into a bag or pocket, making it perfect for home, gym, or travel use. Specification Material: TPR Color: Black Size: 18 x 14 x 3 cm Weight: 260 g Package Include: 1x Hand Grip Strength Trainer Exerciser