ITEM NAME:Flanger Extendable and Strength adjustable Finger Exerciser Ukulele/Guitar/ B9V6 Flanger Extendable and Strength adjustable Finger Exerciser Ukulele/Guitar/ B9V6 patented extendable finger exerciser,a great practicing aid for beginner guitarists and pianists the unique extendable finger exerciser is a perfect tool for beginner guitarists and pianists, helping to build up strength and reach with your ring and little fingers for pro players:strength and flexbilliy is very important especially when playing challenging solo pleces where a high skill level is required and the little finger is used a lot. for beginners:playing barre chords can be a tough challenge and the exerciser helps you overome the problem easily. tension range: 2.5lbs-6lbs. help the neglected reveresd finger practice( the finger lifting speed practice),which is often neglected the during the early days of tecching,and to assit skill development. beginner guitarists and other instrumenta players. Color:Black Brand Name:Flanger Model Number:FA-10P Type:Finger Exerciser Material:Plastic Package Contents: 1* Finger Trainer Only the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.