Ernie Ball Cobalt Regular Slinky 45-130 5-String Bass Guitar Strings, Long Scale

Ernie Ball 2736 Cobalt Regular Slinky Bass Strings for 5-string bass are round-wound for maximum clarity and serious punch. Ernie Ball 5-String Cobalt Bass Guitar Strings 45-130 Regular Slinky 2736. First off it is highly magnetic.

eBay