D\’Addario Orchestral Bulk 10-packs are the perfect solution for rental fleets and repair benches. They may not be used for resale purposes. 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.. 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. Multi-stranded steel core strings that produce a moderately warm tone quality.Core design makes for strings that are very easy to play under the left hand.Perfect solution for violin rentals and repair.Bulk 10-packsDamping is optimized to create a good balance between pizzicato sustain and bow response.