This GHS string package includes 10 sets of GBL-10 Boomers light electric guitar strings. Gauges: 10-13-17-26-36-46. GBL Boomers feature roundwound nickel-plated steel strings for passion, power and performance. Their bright, long-lasting tone makes 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 GBL Boomers light electric guitar strings Gauges: 10-13-17-26-36-46