Features: Finger Extension: effectively solves the problems of soft and weak fingers, hand collapse and insufficient finger span. You can exercise four fingers or two fingers. The ring is rotated by 45 deg;. Increase Span: This tool can help you quickly open your finger and increase the spread; Stretch the ligament and increase the force to make the finger softer; Continuous training can improve basic skills and exercise your fingers. Ergonomic Design: Adjustable design is more ergonomic; It provides comfort to the imagination. The finger position is made of soft silicone, which is comfortable and convenient to use. Easy to carry: The finger pads are made of environmentally friendly stainless steel materials; nbsp; Silicone, ABS, 304, With strong strength, not easy to damage, reliable quality, and can be used for a long time, exercise and use anytime, anywhere. Finger Exercise Device: Open the finger joints to make it easier to press the string. An indispensable artifact for finger stretching and musical instrument practice, suitable for guitar ukulele, violin, beginner pianos. Specifications:Material: Silicone, ABS, 304 Stainless Steel Color: Black, White, Orange Size: (Approx.) (LxW) 190x7 0mm/7.5x2.7 inch, ring dia. 20mm/0.8 inch Package Included:1PC x Guitar Finger ExtensionNote:1. Due to the light and screen difference, the item's color may be slightly different from the pictures.2. You are welcome