GHS Strings Double Ball End Bass Strings Roundwound, Stainless Steel - Light | Long & McQuade
Rotosound RDB66LD Swing Bass 66 Double-Ball End Strings (45-105) | The Music Zoo
File:Hohner B2A Bass - end of headless neck with double ball end strings (2016-08-13 16.55.53 by Arthur 2016 @Pixabay 1591295).jpg - Wikimedia Commons
Tuning and Re-Stringing Your Steinberger Synapse Guitar
GHS 5l-DBB Double Ball End Roundwound Electric Bass Guitar Strings - .040-.126 Light 5-string | Sweetwater
Double ball end bass strings anyone? We still make batches of them and they seem to be getting more popular..... well Mark loves them! #rotosound... | By Rotosound Music Strings | Facebook
Swing Bass 66 Double Ball End 5-String | 45-130 • Rotosound Music Strings