Sell ∮ Guitar Trainer Tool for Beginner Finger Expansion Fingers Power Trainer For Piano Learner Saxophone Learners Ukulele Beginners best price

∮ Guitar Trainer Tool for Beginner Finger Expansion Fingers Power Trainer For Piano Learner Saxophone Learners Ukulele Beginners For more music instrument, please click #tophouse The fact that the fingers can't be crossed often limits the improvement of the performance level, and insisting on training to improve the basic skills is the king. This span trainer is continually improved to help the player solve the problem of the fingers being unable to open and increase the flexibility. It can be carried around when you are free to play the piano/guitar. Features: High toughness, elasticity, smooth surface, easy to wash, and constant. The spreader is used without a piano/guitar, so it is easy to carry around. Improve finger span and flexibility, improve finger function and improve playing efficiency. The use process does not affect other activities of the finger. Specifications: Color: blue Material: ABS Size: L, M, S (optional) Space: L: 22mm/23mm/19mm M: 20mm/21mm/18mm S: 19mm/20mm/16mm Hole diameter: L: 19.5mm+21mm+21mm+17.5mm M: 19mm+20.5mm+20.5mm+17mm S: 18mm+18.5mm+18.5mm+16mm Length: L: 145mm M: 139mm S: 135mm Package size: approx. 150 * 30 * 10mm / 5.9 * 1.2 * 0.4in Package weight: 10g / 0.4ounce Note: Please allow a little difference due to manual measurement. Packing List: 1 * Finger Expansion Tool