Power Peg String Winder (P04118) By Ernie Ball. Product Details The Ernie Ball Power Peg is the first of its kind self-contained motorized pegwinder that allows you to restring your instrument up to 70% faster than traditional manual pegwinders. The Power Peg is powered by 4 AA batteries (not included) featuring a proprietary universal peg head that fits virtually all bass, acoustic, and electric guitar tuning machines. Takes the hassle out of changing strings Up to 70 % faster than a manual winder Engineered peg head fits virtually all tuning machines Works on electric, bass, and acoustic instruments Forward and reverse capabilities up to 200 rpm 4 AA batteries required 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.