Bestselling set – pursue your passion with D 'Addario bestselling electric Guitar set, XL nickel wound electric Guitar strings. Xl's deliver long lasting, distinctive bright tone and excellent intonation and the corrosion resistant packaging of the 3-pack keeps your extra string sets fresh | For the ultimate performance – D 'Addario nickel wound strings are precisely wound with nickel-plated steel onto a hexagonally shaped, high carbon steel core for strings with bright tone, perfect intonation, stellar magnetic output, long life and reduced premature fret wear | Versatile – These are the ideal electric Guitar strings for the widest variety of guitars and musical styles. Xl’s are the choice of countless professionals across many genres around the world | String gauges – the gauges in this electric String set include: plain steel . 010, . 013, . 017, nickel wound . 026, . 036, . 046 | Made in the USA – 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