1. Finger Training: Constructed with an aluminum alloy frame, tension springs, sponge fabric padding, and breathable curved plastic plate material. Utilizes springloaded supports to facilitate finger and wrist movement while maintaining dorsiflexion. The curved aluminum frame's springs ensure fingers and wrists remain in dorsiflexion for effective training. 2. Adjustable Spring Tension: Rotate the nut to extend or shorten the pull rods on both sides, adjusting the spring tension as needed. The triangular support enhances stand stability. Designed to fit any finger size. 3. Finger Holder: Designed for straight, weak, stiff, or curved fingers to improve flexibility. Strengthens hand and finger muscles as well as elbow tendons. 4. Application: Ideal for hemiplegic wrist and finger dysfunction, finger and wrist weakness, wrist drop (radial nerve injury), or posttendon rehabilitation. Suitable for any adult.