1. Optimized Pressure Distribution – Enhances finger strength with an independent design that balances pressure, improves grip stability, and conforms to hand curves for an uninterrupted training experience. 2. Enhanced Grip Comfort – High-elastic silicone provides a soft and comfortable feel while offering flexible rebound support and a non-slip texture that maintains its shape. 3. Versatile Muscle Support – Features adjustable pressure options to improve joint flexibility and relieve muscle tension, ideal for various training and recovery purposes. 4. Widely Applicable – A lightweight and portable grip strength trainer promotes outdoor use and systematic strength improvement with its compact design, suitable for home, studio, and gym environments. 5. User-Friendly Design – With a carefully calibrated scientific weight range, the grip strength trainer prioritizes high safety and assists in restoring joint mobility. Material: ABS Color: As shown in the figure Product size: 12*10*6 cm / 4.72*3.94*2.36" Package list: Five finger gripper*1