Product DescriptionPursue your passion with the world?s most popular flatwound strings, D?Addario XL Chromes electric guitar strings. XL Chromes offer the perfect balance of smooth feel and warm, mellow, fat tone and deliver a round, full low end without losing punch. Loved by professional and amateur musicians, they are the ideal strings for traditional jazz, rockabilly twang, R&B and some pop/rock styles of playing. D?Addario leverages centuries of string-making experience and advanced computer-controlled winding technology to bring you the most durable, consistent and long-lasting guitar strings. Made in the USA for the highest quality and performance, only D?Addario strings are sealed inside and out. XL Chromes flat wound stainless-steel strings are expertly ?ribbon? wound onto a complex series of interlocking under-windings then precisely polished for an ultra-smooth feel. They have virtually no finger noise and deliver a distinctive damped but tone-rich sound. And thanks to the corrosion resistant packaging, the strings are always fresh. The string gauges in this electric string set include: Plain steel .011, .015, and Nickel Wound .022, .030, .040, .050, .065. Since 1905, D?Addario has been providing artists and players with the tools they need to perform their magic. As musicians ourselves, we have the unique ability to engineer products that inspire other musicians. The D?Addario family?s vision, creativity, passion and tradition have made us the world?s largest musical instrument string manufacturer. We put our family?s heart, soul and love for making music into every string and instrument accessory we create, and we never stop inspiring performance.From the ManufacturerECG24-7, based on the gauges of D'Addario's best selling gauge of flatwound strings with an additional low B 7th string (.065), delivers a balance of smooth feel, warm/mellow tone and optimal tension. Ideal for traditional jazz, rockabilly twang, R&B and some pop/rock styles. Designed specifically for 7-String electric guitars.D'Addario Chromes are wound with flattened stainless steel ribbon wire which is polished to an incredibly smooth surface. Chromes deliver a distinctive damped but tone-rich sound that only flatwounds can produce. D'Addario Chromes are the world's most popular flatwound strings.D'Addario, the world's largest manufacturer of musical instrument strings, is known as The Players Choice with a reputation for unsurpassed quality and consistency. D'Addario's innovative packaging reduces waste and provides protection from corrosion. All D'Addario strings are manufactured in the U.S.A. using proprietary, digitally controlled, state-of-the-art machinery for unmatched performance, set after set.