
D'Addario HH614 3/4M Helicore Hybrid Double Bass E String - 3/4 Size - Medium Tension,

Amazon.com: D'Addario Helicore Orchestral Bass String Set, 3/4 Scale, Medium Tension, (Model: H610 3/4M) : Musical Instruments,

D'Addario Helicore Orchestral Bass String Set, 3/4 Scale, Medium Tension, (Model: H610 3/4M) : Musical Instruments - Amazon.com,

Amazon.com: D'Addario Helicore Orchestral Bass String Set, 3/4 Scale, Medium Tension, (Model: H610 3/4M) : Musical Instruments,

D'Addario H313 4/4M Helicore Violin D String - 4/4 Size - Medium Tension