Patented extendable finger exerciser, a great practicing aid for beginner guitarists and pianists. This extendable finger exerciser is a perfect tool for beginner guitarists and pianists, helping to build strength and finger reach, especially for the ring and little fingers. For players: Strength and flexibility are important, especially when playing challenging solo pieces that require a high skill level. For beginners: Playing barre chords can be a tough challenge, and this exerciser helps you overcome the problem easily. Tension range: 2.5 lbs - 6 lbs. Helps improve finger lifting speed and strengthens the often-neglected weaker fingers, supporting overall skill development during the early stages of learning. Ideal for beginner guitarists and other instrumentalists. Color: Black Name: Finger Exerciser Model Number: -10P Type: Finger Exerciser Material: Plastic Package Contents: 1 x Finger Trainer Only the above package content is included; other products are not included. Note: Light and different displays may cause the color of the item in the picture to appear slightly different from the real thing. Measurement allowed error is +/- 1-3 cm.