Guitar Finger Expansion, Finger Sleeve, Finger Force Span Practing Trainer, And Product Details Specification: Color: black Material: ABS, 304 stainless steel Size: 190*70MM/7.48*2.76inch.dia: 20mm/0.8inch Weight: about 70g Packing List: Musical Instrument Auxiliary Exerciser *1 ?NOTE? If you feel the finger holes are too small, you can tear down finger cots. If you don't feel 100% satisfied, we will refund your money, no questions asked. Buy with confidence and peace of mind. Customer satisfaction is our highest priority. ?Finger Expansion?Effectively solve the problems of soft and weak fingers, hand collapse, and insufficient finger span. You can practice four fingers or two fingers. Finger holes are 20mm/0.8inch.If you feel the finger holes are too small, you can tear down finger cots. ?Increase Span?This tool can help you quickly open your finger and increase the span; stretch the ligament and increase the strength to make the finger softer; continuous training can improve basic skills and exercise your fingers. ?Ergonomic Design?The adjustable design is more ergonomic; it brings you the comfort of imagination. The finger position is made of soft silicone material, which is comfortable and convenient to use. ?Easy to Carry?The finger cots are made of high-quality and environmentally friendly materials, with strong toughness, not easy to damage, reliable quality, and can be used for a long time, practice, and use anytime, anywhere. ?Fingers Practicing Device?Open the finger joints to make string pressing easier. An essential artifact for stretching fingers and practicing musical instruments, suitable for guitar ukulele, violin, piano beginners. Payment We accept PayPal and credit cards via PayPal. Taxes - US We collect sales tax, as required by law. Shipping We make every effort of shipping within 3 business day of payment clearing. The estimated delivery time is 2 - 5 business days from the shipping date. Policies If you do need to return your item, please contact us via email (you will receive an email when your product ships with additional details - Subject: Important information about your purchase). You will then be provided with a return shipping label and packing slip. Pack the item carefully. Include the packing slip, apply the shipping label, and return the item within 30 business days of the date you request a return, or your return will be canceled. Once we receive your order we will inspect the return. Please allow up to 5 business days of receiving the returned item for your refund.