This GHS string package includes 10 sets of GBXL-10 Boomers extra-light electric guitar strings. Gauges: 9-11-16-24-32-42. This GBXL 10-pack features roundwound nickel-plated steel strings for passion, power, and performance. Their bright, long-lasting tone makes GHS Boomers guitar strings the standard to play by. These GHS electric guitar strings are designed for heavy metal, rock, country, blues, and pop styles.10 sets of GBXL Boomers extra light electric guitar strings Gauges: 9-11-16-24-32-42