The choice of numerous greats. Gauges 10-13-17-26-36-46. Roundwound stainless steel wrap wire provides an incredibly bright tone. This material also provides long sustain and high volume. A great sound if you need to be heard. GHS has made the highest quality strings since 1964. The GHS Super Steel series is manufactured using a stainless steel wrap around the already standard stainless steel hex core. The combination delivers an incrediably bright tone and extra high volume. Mix this with some extra long sustain and you're guarenteed to be heard.