Hello and thanks for checking out this listing!

Here we have a set (X3) of Stringjoy Signatures 8S Heavy Bottom Extra Heavy 13-90

About these strings. Here is the description from the manufacturers website:

"Are you looking for guitar strings powerful enough to withstand the apocalypse? Do you want to play with the resilience of a cockroach surviving a nuclear war? Look no further than Stringjoy's 8 String Heavy Bottom Extra Heavy Gauge (13-90) Nickel Wound Electric Guitar Strings! 

These strings are tough, strong, and ready to take on anything. With an extra heavy gauge that gives you the kind of power and aggression that could bring down a skyscraper, you'll be able to play with the force of a meteor strike. And with a heavy bottom that can handle even the most brutal playing, you can be sure that your strings won't break or snap under pressure. Whether you're playing deathcore, djent, or any other style that demands crushing heaviness, these strings will give you the unbreakable durability you need to survive. 

Gauges: .013 - .017 - .022p - .036 - .048 - .060 - .074 - .090"

If you have any questions, please feel free to ask. We offer speedy shipping to the majority of countries worldwide and always pack things as carefully and securely as possible.