D'Addario Guitar Strings - Phosphor Bronze Acoustic Guitar Strings -, Pack D'Addario was the first to use Phosphor Bronze in acoustic guitar strings back in 1974. Today, Phosphor Bronze is played throughout the world and considered to be the standard in acoustic strings, thanks to its beautiful sonic balance and tonal warmth. Our pioneering Phosphor Bronze acoustic guitar strings are precision wound with phosphor bronze wrap wire over a high-carbon steel core, providing tonal versatility suitable for all acoustic styles and musical genres. 13-56 Medium gauge strings provides maximum volume and projection, with more tension and resistance. Product Features CORROSION-RESISTANT, PRECISION WOUND ? D?Addario Phosphor Bronze acoustic guitar strings are precision wound with phosphor bronze wrap wire, over a hexagonal high-carbon steel core. WARM, BALANCED TONE - Phosphor Bronze wrap wire provides tried-and-true D?Addario acoustic tone, with beautiful balance and warmth suitable for all musical genres. MOST POPULAR ACOUSTIC GUITAR STRING - Now the standard in acoustic guitar strings, Phosphor Bronze strings were originally pioneered by D?Addario in the 1970s. EARN REWARD POINTS - D?Addario Phosphor Bronze acoustic guitar strings come with a code on the recyclable VCI bag, which you can register to earn Players Circle points. MADE IN THE USA ? Our Phosphor Bronze strings are made in the USA?drawn to exacting specifications at our New York production facility. Shipping: Shipping is complimentary within the lower 48 US States. We Do Not Ship to PO/APO Boxes, HI or Alaska We Do Not Ship Outside of the Continental US All items ship within 24-72 hours of Payment For large items that require Freight shipping a valid phone number is required to call and schedule your delivery Terms of Sale and Feedback: Feedback is extremely important to us and If you are satisfied with our transaction, please take a moment to leave Positive Feedback. YOUR Satisfaction is our #1 Priority! If there are any issues, PLEASE contact us BEFORE leaving a neutral or negative rating so that we may resolve any concerns. We PROMISE we can make you happy if you give us a fair chance. Returns / Concerns: All items qualify for returns within 14 - 30 days of receipt. Buyer is responsible for return shipping on any item that is not damaged Please be sure this is an item you want before making your purchase. Customer Satisfaction is our TOP priority! All items are IN STOCK at time of listing. Inventory changes constantly and it is impossible to maintain a perfectly accurate count of all items. Please do not penalize us if we have to issue you a refund! Thank You For Your Business!