[Enhance Hand Strength]: This grip strength trainer is designed to strengthen fingers, wrists, and forearms, develop hand flexibility and stamina, improve hand dexterity, and is suitable for individuals with arthritis, tendonitis, or those looking to strengthen their grip[Smart Counting Function]: This grip strength enhancer features an automatic counting function to record the number of repetitions during each exercise session; after use, slide to reset to zero for accurate re-measurement[Relieves Hand Pain and Stiffness]: Regular use of the finger exerciser helps improve blood circulation in the hand, increase joint mobility, strengthen hand muscles, reduce pain and stiffness, and support recovery[Clear Display]: This mechanical grip dynamometer has a large 42mm display with a solid pointer and clear scale markings, allowing you to easily monitor your training progress[Sturdy and Durable]: Made from high-quality ABS material for long-lasting use; the textured handle provides a comfortable grip, and the four-finger design allows for effective strength application