These Jim Dunlop Zakk Wylde acoustic guitar strings are great for live performances, studio recordings, or just jamming at home. They're perfect for rock and heavy metal guitarists who want a full, rich acoustic tone. The strings are phosphor bronze with a gauge of 11 - 52, which is a common and comfortable size for most players. Whether you're a professional musician or an enthusiastic beginner, these strings will help you sound your best.