Dilwe Finger Exerciser, Adjustable Guitar Piano Zither Strength Tension Exerciser Hand Grip Trainer Strengthener Practice Tool(Black)

Wide Application: The hand exerciser is specifically designed for many musical instruments. It also can be used for finger strength exercise in daily life. Complete Hand Practice: Safely and conveniently build strength, endurance, and flexibility and coordination, provides a complete strength training solution for fingers, hands, wrists, and forearms. Adjustable Design: Individual finger tension is adjustable, the tension ranges from 4LB to 7LB. You can select different tensions for each finger, providing hand fitness. Comfortable to Use: Soft design, comfortable to press, which will not hurt your fingers. Portable: Extremely portable design, you can carry it in your luggage, pocket, purse, handbag etc., strengthen your fingers at any time when you want.