Guitar Finger Extension, Finger Protector Finger Strength Span Training Trainer Tool Bass Guitar Practice Band Piano Finger Speed ??System Musical Instrument Accessories【Expanding Fingers】Effectively solves problems of weak fingers, hand collapse, insufficient finger span, etc. You can practice four or two fingers. The finger holes are 20 mm/0.8 inches. If you find the finger holes too small, you can remove the finger protectors. 【Increase Reach】This tool can help you quickly open your fingers and increase reach; stretch ligaments, increase strength, and soften fingers; continuous training can improve basic skills and train fingers. 【Ergonomic Design】Adjustable design is more ergonomic; it provides you with the comfort you imagine. The finger position is made of soft silicone material, comfortable and easy to use. 【Easy to Carry】The finger protector is made of high-quality environmentally friendly materials, with strong toughness, not easy to damage, reliable quality, can be used for a long time, practice and use anytime, anywhere. 【Finger Exercise】Open finger joints for easy string pressing. A must-have for stretching fingers and practicing musical instruments, suitable for beginners of ukulele, guitar, violin, and piano. Packing list: 1 * Finger Extension Device We only sell Finger Extension Devices, not other items in the picture. Due to the differences between the different monitors, the pictures may not reflect the actual color of the item. Due to manual measurement, please allow slight errors in size.