【Super Strong Resistance】: This exercise equipment is designed to exercise the arm flexors and extensors, and exercise the forearms and wrists. In addition, it can also enhance finger strength, thereby improving grip strength 【Adjustable Resistance】: The resistance range making it easy to adjust your intensity. Perfect for intermediate learners to strengthen their strength or athletes to train to enhance grip endurance 【Number of Springs】: 6 springs (adjustable), strong grip, you can adjust the number and position of springs according to your needs 【Durable Material】: The main body is made of aluminum alloy and high-strength springs, which is durable and durable. The surface is treated with electronic baking paint, which has excellent texture and is strong and durable 【Training Tool】: If you can only choose one grip training tool, then this one is your best choice. It is the gold standard of grippers, designed to give you the most benefits in the shortest time. Make your hands stronger