Alnicov Finger Strength Trainer for Guitar, Piano, Trigger Finger Training (Orange)

New 5-finger design offers you more exercise and a richer fingertip tension The individual finger tension is adjustable, the tension ranges from 3 to 8.5 lbs. You can select different tensions for each finger The high-quality copper adjustment screw nut of professional machine tools has passed the compression test and has long-lasting elasticity, it is simple and smooth in the force setting Ergonomic design, finger pad positioning layout design is better suited for the fingers, non-slip silicone