Galli BSN-910 3/4 scale double bass set, synthetic core and clear nylon tape wound, medium, RockabillyGalli BSN 910 3 4 scale double bass set, synthetic core and clear nylon tape wound, medium, Rockabilly Synthesis BSN 910 Double Bass strings are made with an extremely flexible and multifilament synthetic core, providing the tonal warmth and feel of a gut strings while being resistant to changes in humidity. The BSN910 strings are wound with proprietary clear nylon tape formula, to create an even smoother to the touch string with bright and clear