GHS Boomer 12 String Light Electric Guitar Set (10-46) Boomer 12 String Light Electric Guitar Set (10-46) 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 Gauges: 10-46 1)