Check the listing for details. Stringjoy Naturals Phosphor Bronze Acoustic Guitar Strings; 14-59. Condition: New. Listed at 16.99 USD. This sale is for 1 set (6 strings per set) of brand new Stringjoy Naturals Phosphor Bronze Acoustic Guitar Strings; gauges 14-59.Product Information: Individually boxed... new... never opened or used!Gauges: 14-18p-28-36-46-59You told us you wanted more beef, so we made things even beefier. Meet Stringjoy's Balanced Heavy Gauge Naturals—with a .014 on top and a .059 on bottom, these puppies are not for the faint of heart. Come to think of it, “puppies” isn’t really the right term—they’re more like the Beast from The Sandlot…This goes without saying, but we’ll say it anyway—don’t put these on your pre-war Martin or any other fragile vintage instrument.Shipping Information: International Shipping: Please use Ebay's International shipping option. We promise fast shipping (usually within 1 business day). US and international orders welcome!Shipping will be handled by USPS. USPS Express Mail (overnight) is available (U.S. orders only).Thank you!