Galli BSN-930 3/4 scale double bass set, rope core and chrome flatwound, medium, OrchestralGalli BSN 930 3 4 scale double bass set, rope core and chrome flatwound, medium, Orchestral Synthesis Double Bass strings BSN 930 Rope Core & Chrome are unique steel rope core strings with a dark and warm tone and an excellent resonance which reproduces a wide range of tone colors. These strings offer quick bow response for classical and natural Pizzicato sound for Jazz. The BSN930 strings have a very flexible feel and produce a great sound.