Feature: 1. Exercise : Mainly overall rehabilitation and muscle training of and hands. 2. Ergonomic Design: This finger stretcher is ergonomically designed so with proper adjustment, it can a comfortable fit for everyone. 3. Hand Yoga Accessory: Hand yoga is primarily used for the rehabilitation and exercise of the and the entire hand. Fingertip accessories have different tension levels. 4. Practical: The more you open your , the more silicone tension is applied. This product only needs to be replaced and can be used with both hands. Specification: Name: Hand Grip Accessories poundage: 20 Material: Silica colour: grey Package Contents: 5 x Hand puller Only the above package content, other are not included. Note: Light reflection and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.