XL Nickel Wound is D'Addario's most popular electric guitar string, featuring a hexagonal high-carbon steel core wire precisely wound with nickel-plated steel wire. It offers a versatile sound and a rich range, along with the familiar feel that anyone who has used D'Addario products will recognize – a feeling of oneness with the fingertips. These strings provide a bright tone and accurate intonation, making them suitable for a wide range of musical styles.