Historic stainless flatwound Bass Guitar strings in gauges 45-65-85-105. Great for jazz, but also used for many other styles of music.
Benefits of Flatwound Bass Guitar Strings:
-Consistent tone over the life of the strings
-Less Fret wear
-Smooth surface causes less "squeaking" and easier on fingers
-Mellow sound
-Last longer than round wound strings, trade off in price.