D'Addario's heaviest 80/20 Bronze gauge, EJ12s offer heavier tension resulting in a bolder, more resonant acoustic tone with higher resistance for heavy strumming and flat-picking. 

• D'Addario's heaviest 80/20 bronze set, ideal for heavy strumming and flat-picking
• Extra-bright tone mixed with deep and projecting bottom end
• Environmentally friendly, corrosion resistant packaging for strings that are always fresh
• Made in the U.S.A. for the highest quality and performance
• String Gauges: Plain Steel .013, .017, Bronze Wound .026, .035, .045, .056