Also known by their Ernie Ball model number, 2221, Regular Slinky strings come in a Custom Gauge set: .010, .013, .017, .026w, .036, and .046. Favored by many guitarists around the globe, Regular Slinky wound strings are made from a nickel-plated, steel wire wrapped around a hex-shaped, steel core wire. The plain strings are made of specially tempered, tin-plated, high-carbon steel, producing well-balanced tone for your guitar. Musician's Friend customers have long appreciated the value Ernie Ball Slinky strings provide. Regular Slinkys offer classic tone and feel, but they're also long lasting, particularly for uncoated strings.