Ernie Ball 2217 Zippy Slinky nickel wound electric guitar strings feature nickel-plated steel wrapped around a tin-plated hex-shaped steel core that produces a crisp, balanced tone perfectly suited for your electric guitar. This two pack of strings come with gauges ideal for lower action. The nickel-plated steel winding is resistant to corrosion and provides smooth playability and long life. With a slinky feel and vibrant tone, these strings will inspire your creativity and take your playing to the next level.