Adjustable Finger Exerciser and Hand Strengthener: The hand strengthener set is perfect for improving power and flexibility in the wrists, fingers, and forearms
3 Resistant Levels: Package includes 2pcs finger stretcher, total 3 levels of resistant levels, including 13LB, 17LB, 21LB. You can change the positions of the hook to adjust the resistance value
Ergonomic Design: The finger stretcher with 2 different wearing styles, finger cover and ring, suitable for your hand and fingers work habits. Adjustable hand extensor exerciser can be worn comfortably by any size wrists and finger
