Features:1. All metal structure, strong durability, not easily deformed or damaged.2. Aluminum handle design, lightweight and easy to grip, high comfort.3. Suitable for hand strength training and can effectively exercise finger strength.4. The A-type grip design conforms to ergonomic principles, providing a more comfortable grip.5. Can be used for fitness training to help enhance finger muscle strength and endurance.Specifications:Material:aluminum alloySpecification:13*14*2cmGross weight: about 190g-210gPackaging:oppPackage Includes:aluminum alloy*1 pcsNotes:1. Please allow 1-2 cm error due to manual measurement. Thanks for your understanding.2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from real object.