D’Addario Helicore Hybrid Double Bass String Set, 3/4 Scale, Medium TensionHelicore Hybrid bass strings are multi stranded steel core strings that produce a moderately warm tone. The groundbreaking core design makes for strings that are easy to play. Damping is optimized to create a balance between pizzicato sustain and bow response, allowing performance across many playing styles from symphonic to jazz or bluegrass. RESPONSIVE TO THE CORE Helicore strings are crafted with a multi stranded steel core, resulting in optimal