Description: Suitable for Everyone: The finger exerciser strengthens improving strength, power, and speed in the wrists, fingers, and forearms. It can undoubtedly the best choice for Rock Climbers, Tennis Players, and athletes, and it enhances the flexibility of fingers and wrists. Comfortable and Durable: Finger Strengthener for small, and large hands, seniors, and teens but also ensures comfortable use. The resistance of the hand grip strengthener is perfect for both men and women with different strengths. Finger Exerciser: Strengthens Grip and Improves Dexterity, finger exercise rings build strength. Compact and Portable: 11.5cmx10.5cm/4.53inchx4.13inch, lightweight, easy to carry and use anywhere. Great Gift: This is a perfect gift choice for someone who is a sports athlete, rock climber, tennis player, golf player, Pianist, drummer, guitarist, pianist, and much more. Specification: Material: Silicone Package Includes: As You Choose 1Finger Exerciser or 2Finger Exerciser (with Replacement Finger Exerciser) Note: Please allow slightly errors due to manual measurement and different monitors.