D Addario EJ36 80 20 Bronze 12 String Acoustic Guitar Strings Bold Bright Sound

From the Manufacturer EJ36's are ideal for players who prefer a softer tone and easy playability. Designed for all makes and models of 12-string acoustic guitars. 80/20 Bronze, commonly referred to as brass, is the original acoustic string alloy selected by John D'Addario Sr. and John D'Angelico in the 1930s.

eBay