The Ernie Ball 2620 7-string Power Slinky Nickel Wound is a set of high-quality guitar strings designed for electric guitars. Made with nickel-plated steel, these strings offer a bright and clear tone that is ideal for a variety of musical styles. With a 0.011 gauge and uncoated construction, these strings deliver excellent playability and durability. Manufactured by Ernie Ball in the United States, these strings are a popular choice among guitarists looking for reliable and great-sounding strings for their 7-string electric guitars.