D'Addario NYXL1149 Nickel Strings Medium (11-49) electric guitar strings are next generation strings that offer more punch, crunch and strength. With enhanced tuning stability and break-resistant technology you can play with a whole new level of freedom! Enhanced mid range and greater magnetic properties allow extra output to make your guitar sing like it never has before. Feel more, hear more! Manufactured in New York Break-resistant Greater tuning stability Enhanced Mid Range Bend further