GHS Boomers GBXL Roundwound Electric Guitar Strings MADE IN USA (Light Gauge 09-42) From 1964 to now, the GHS Boomers® series has been the flagship set of GHS Strings. Used by musicians in every genre, the Boomers® have shown to stand up to any playing style. Now known as "The Power String", GHS Boomers® continue to make their mark on music across the world. The roundwound guitar set is made with Nickel-Plated steel wrapped tightly around a round core wire. The combination provides the string with its bright characteristic and long-lasting tone. 2-Pack Guitar String Set (Package includes (2) GHS GBXL Roundwound Electric Guitar strings) Gauges:  E-1st: .009 B-2nd: .011 G-3rd: .016 D-4th: .024DY A-5th: .032DY E-6th: .042DY Also check out our eBay store for lots of other great musical instruments and accessories!