Ernie Ball 7-String Regular Slinky Guitar Strings 10 - 56

Ernie Ball 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, .026, .036, .046, .056