Features: _x000D_ Finger exercises tension capabilities to solve the problem of the inability of guitar and piano beginner's the ring finger and the little finger. _x000D_ _x000D_ Guitar beginners always can not press the button easily, this exerciser can help them to fix this problem. _x000D_ It can training your fingers' flexibility and strength. _x000D_ The intensity can be adjusted from 2.5pounds to 6 pounds. _x000D_ Great finger practicing tool for guitar and piano._x000D_ _x000D_ _x000D_ _x000D_ Specifications: _x000D_ Condition: 99.99% Brand and High Quality _x000D_ Brand: Flanger_x000D_ _x000D_ Material: Plastic _x000D_ Color: Black _x000D_ Size: Approx. 85 x 78 x 20mm / 3.3 x 3 x 0.7inch _x000D_ Open Size: Approx. 105 x 75 x 20mm / 4.1 x 2.9 x 0.7inch _x000D_ Weight: Approx. 96g _x000D_ _x000D_ _x000D_ Package Included: _x000D_ 1 x Finger Trainer 1Finger exercises tension capabilities to solve the problem of the inability of guitar and piano beginner's the ring finger and the little finger. 2Guitar beginners always can not press the button easily, this exerciser can help them to fix this problem. 3It can training your fingers' flexibility and strength. 4The intensity can be adjusted from 2.5pounds to 6 pounds. 5Great finger practicing tool for guitar and piano.