For those that want a brighter tone but with a smooth feel, Alloy 52™ is wrapped around a core wire and then micro-ground to a smooth finish.Introducing our brand new Nitro-Pack® singles! Each single string is sealed in a nitrogen environment, eliminating all oxygen, in a tear-resistant package. Whether you use one string or the whole set, the Nitro-Pack® guarantees straight from the factory freshness!ABOUT GHS STRINGSGHS Strings are manufactured in a state-of-the-art, climate controlled facility using precision equipment and only the purest of materials. When you buy GHS strings you get quality, consistency, lasting intonation and superbly harmonious sound! GHS Strings - The String Specialists since 1964. 720 Set: 011-014-BR22-BR28-BR38-BR50