Product Details Features Highly elastic precision steel The hand gripper is made of high-quality precision steel. This material gives the grip excellent elasticity, facilitating effective exercise of the hands and fingers. It ensures that each squeeze is met with consistent and appropriate resistance, promoting strength development of the hand muscles and fingers. Electronic counting and timing With the integrated electronic counting and timing function, users can easily monitor their progress. You can set a specific exercise duration according to your fitness plan. This not only helps to track the number of repetitions, but also helps to maintain a structured training routine, thereby optimizing the overall training effect. Durable and sturdy construction The handles are designed with durability in mind. Its sturdy construction can withstand intense workouts. The materials used provide sufficient strength to ensure that the handles will not deform or break easily even under continuous and vigorous use. Wear-resistant, non-rusting, non-breaking Made of top-grade materials, these handles are highly wear-resistant. They are carefully designed to resist damage and breakage during long-term and intense use. In addition, they will not rust, which means that they can maintain their performance and appearance for a long time no matter what environment they are used in. Ergonomically designed TPR handles The handles are made of TPR handles. These handles feature an ergonomic shape that fits comfortably around each finger, providing a secure and comfortable grip. This design reduces the risk of slipping during use and minimizes hand fatigue, allowing for longer, more effective training. Wide Resistance Range These handles offer a wide range of resistance levels, adjustable from 10KG (22 lbs) to 120KG (264 lbs). This wide range makes them suitable for users of different strength levels, whether beginners looking to build basic hand strength, or advanced athletes aiming to enhance their grip for specific sports or activities. Specifications Part Name: Electronic Handle Material: Steel, TPR Size: 160 * 120mm / 6.3 * 4.7in Color: Gray Resistance Range: 10KG (22LBS) - 120KG (264LBS) Package Contents 1 * Electronic Handle Note The actual color of the item may vary slightly from the picture shown on the website due to various factors such as monitor brightness and ambient light conditions. Due to manual measurement methods, the measurements may vary slightly.