The Ernie Ball Skinny Top Heavy Bottom Slinky Nickel Wound Electric Guitar Strings are made from nickel plated steel wire wrapped around tin plated hex shaped steel core wire. The plain strings are made of specially tempered tin plated high carbon steel producing a well-balanced tone for your guitar. Gauges .010, .013, .017, .030, .042, .052.

Made from nickel plated steel wire wrapped around tin plated hex shaped steel core wire

Plain strings are made of specially tempered tin plated high carbon steel

Produce a well balanced tone for your guitar