Product 1. Handshake strength: very suitable for increasing the strength of your hands, forearms and wrists. Ideal training aids for fitness enthusiasts, golfers, tennis players, baseball players, musicians and mountaineers. 2. Our handle has the function of automatic counting, which clearly records the number of exercises in each class, so that you can concentrate more on the exercise without being distracted. 3. Ideal fitness machine: It can be used by men, women, the elderly or teenagers, and is suitable for all types of hands. 4. Convenient, small and portable, suitable for perfect hand exercises, which can be carried out at home or in the office, and enhance your grip. Color: blue, orange, green (optional) Package content: 1 * GripperNote: 1. Please allow a little error due to manual measurement. Please make sure you don't mind before bidding< br> 2. The color may vary depending on the display. Please understand< br> Note: Hello, please pay attention to your shipping address when purchasing products. If your receiving information (such as name, street, house number, doorbell/email without name) is incorrect, the order will not be delivered correctly.)