And Alembic strings, which as opposed to what might be read are not GHS Pressurewound strings as they are smoother to the touch with more brightness in the tone.
That said, they are not that easy to find, are quite expensive ... and tend to rust quite quickly (that's nickel).
https://www.rocketmusicshop.com/products/alembic-cx-3-45lb-5-string-bass-strings