Scaled to fit 1/2 size bass with a playing length of 38 3/8 inches (975mm), these medium tension strings are optimized for a majority of players. This D string is nickel wound. Helicore Hybrid bass strings are multi-stranded steel core strings that produce a moderately warm tone quality. The core design makes for strings that are very easy to play under the left hand. Damping is optimized to create a good balance between pizzicato sustain and bow response, allowing for good performance across many playing styles, from symphonic to jazz or bluegrass.