Adamas Strings for Acoustic Guitar Adamas Historic Reissue Phosphor Bronze - 12-str. Light .010-.047 (1616)The legendary Adamas Phosphor Bronze strings as Historic Reissue in the original specifications from 1980. Environmentally friendly packaging Solid brass ball end, E6 and A5 string core and winding each with identical diameter. Composite gauging: A5, G3, and H2 string thinner than gradations from other manufacturers. High end premium strings, special alloy with higher copper content Tarnish protected shrink wrapped With ADAMAS sticker Complete single