Hand Exerciser & Therapy Gripper - Squeezing the adjustable hand grip exerciser works all of the muscles in your fingers, hands, and forearms, supporting improved strength and range of motion. Adjustable Resistance - Suitable for all skill levels with resistance that can be adjusted from 5 to 60kg, allowing progressive strength training as grip strength improves. Suitable for Everyone - Ergonomically designed to fit small to large hand sizes. Ideal for men, women, seniors, and teens. Ideal for rock climbers, bodybuilders, golfers, surfers, tennis players, drummers, guitarists, pianists, massage therapists, baseball players, and musicians, helping to enhance finger and wrist flexibility. May also support hand function for individuals with arthritis, rheumatoid arthritis, or carpal tunnel syndrome. Lightweight and Portable - Measures 15 x 11 x 2.2 cm and weighs 160g. Easily fits into a pocket or backpack, enabling convenient use at home, in the office, at the gym, or while traveling. All products have undergone strict quality checks. If you have any concerns with the product, please reach out for assistance.