Description
- 100% brand new and high quality.
- Finger exerciser strengthener
- Each finger button is fully adjustable from 4lb- 7lb
- The product will give you wonderful excercise of your finger, which can create melodious music.
- It can safely practice the finger endurance, tension, flexibility, coordination
specification: material:ABS size:3.3*3inch color:green weight:0.1kg package: 1*Guitar Hand Finger Exerciser