Feature: 1. [Ideal Untuk Pencinta Sukan]Penguat Jari boleh meningkatkan kekuatan jari atlet (panjat batu, kecergasan, tenis, besbol, tinju) dan pemuzik (gitar, bes, pemain piano dan pemain biola) dan kerja rumah harian (memandu, menaip, menulis, bekerja, dsb.)2. [6 Levels of Resistance to Choose] The Silicone Guitar Finger Exerciser provides you with 6 levels of resistance, including 6.6LB, 8.8LB, 11LB, 13LB, 17LB, and 21LB. You can choose the appropriate level according to your grip strength. [High Quality Material]Our finger support is made from high-quality silicone material, which is safe and durable, not easy to tear, and can be used for a long period of time4. [Portable and Lightweight Design]Finger Trainer is small and lightweight enough to fit in your gym bag or pocketYou can enjoy exercise at work or in your free timeTrain your hands anytime, anywhere with Finger Extensor Exerciser5. [6 Levels of Resistance to Choose] Silicone Guitar Finger Exerciser provides you with 6 levels of resistance, including 6. 6LB, 8. 8LB, 11LB, 13LB, 17LB and 21LB You can choose the appropriate level according to your grip strength Description: Finger exercise can increase finger strength and mobility Made of high quality silicone as the main material, it is not easy to tear, break or deform, and small enough to fit in your gym bag or pocket Specifications: Product Name: Finger Exercise Material: Silicone Strength Level: 6. 6LB, 8. 8LB, 11LB, 13LB, 17LB, 21LB Color: black+gray Note: Due to the effect of lighting and shooting angle, there is color difference in the product, please understand