Features: FINGER EXERCISES: Finger Grip Strengthener allows you to individually exercise strength, flexibility, and endurance of each finger. Strengthen your entire arm to develop superior hand, wrist, and forearm strength. Simple and practical MATERIAL: Finger Grip Exerciser is made with high-quality ABS, TPE, and carbon steel spring materials. The finger strength trainer offers a stretchy, ergonomic, and comfortable grip SMALL AND PORTABLE: The finger strength exerciser is compact enough to fit in your gym bag or pocket. You can use it anytime, anywhere, whether at work or during leisure time WIDE APPLICATION: This hand grip strengthener is suitable for rock climbers, tennis players, bass players, guitarists, pianists, athletes, musicians, and individuals with fatigued hands NOTICE 1. Actual color may vary slightly from the image due to different screen settings and lighting conditions 2. Please allow 1–3 cm deviation due to manual measurement Material: ABS