Features: 1.The guitar strings are made of hex carbon steel core, which is not easy to break or deform, and feel comfortable. 2.The surface of these strings is coated with phosphor bronze, which is extremely resistant to oxidation and is not easy to fade. 3.The strings help beginners to recognize, and it is easier to remember the positions of different chords. 4.These guitar strings are soft to the touch and do not hurt your hands when practicing, and are suitable for acoustic guitar beginners. 5.The kit contains 6 guitar strings, which can perfectly replace old or damaged guitar strings and maintain good sound quality. specification:Item Type: Guitar String Material: Hex carbon steel core Coating Material: 75/72 phosphor bronze PackageList:6 x Guitar Strings