GHS 1000 (13-54) PREC FLATWOUND Flatwounds are made with highly magnetic stainless steel for high volume, and then polished to a velvety smooth finishIntroducing 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. 1000 Set: 013-017-F26-F34-F44-F54