Description: 【Suitable for Everyone】: The finger exerciser strengthens improving strength, power, and speed in the fingers; It can undoubtedly be the best choice for Rock Climbers, musician, Tennis Players, and athletes, and it enhances the flexibility of fingers and wrists. 【Comfortable and Durable】: Wrist Diameter 6.7cm/2.64inch, 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. 【3 Levels Adjustable】: Finger Exerciser has an adjustable force, which strengthens grip and improves dexterity, finger exercise rings build strength. 【Compact and Portable】: 14cmx11cm/5.51inchx4.33inch, lightweight, easy to carry and use anywhere. 【Great Gift】: Finger Strengthener Trainer is a perfect gift choice for someone who is a sports athlete, golf player, Pianist, drummer, guitarist, pianist, and much more. Specification: Material: Silicone Package Includes: 1 Finger Exerciser(4 Pack) Note: Please allow slightly errors due to manual measurement and different monitors.