Features: Versatile Training Tool: The forearm exercise grip strength trainer is perfect for athletes, musicians, and anyone looking to enhance grip strength for various activities, from rock climbing to piano playing. Comfortable Silicone Design: Made from premium-quality silicone, this hand grip strength trainer ensures a comfortable grip while effectively strengthening your fingers and forearm muscles during workouts. Pain Relief & Stress Relief: This wrist thumb pain & stress squeezer gripper not only strengthens muscles but also helps relieve tension and discomfort in the hands and wrists, making it ideal for therapy. Progressive Resistance Levels: With adjustable resistance, this hand strengthener grip ring allows users to gradually increase difficulty, making it suitable for all fitness levels and muscle training goals. Compact & Portable: Lightweight and easy to carry, this resistance workout strength trainer can be used anywhere, whether at home, in the gym, or on the go, ensuring you never miss a workout session. Specification: Material: Silicone Diameter: 7.8cm Notes: Please allow slight tolerances in size due to manual measurement, and lighting in photography may result in a difference in color than in real. Include: 1*Hand Strengthener Grip Ring