Contemporary bass players, as well as bass makers, who demand a taper core string to enable modern bass playing techniques, will be delighted by the superior performance Taper Core bass strings deliver. Today’s 4, 5 and 6 string bass players searching for increased stability in the lower registers will find great clarity and definition with DR’s tapered bass strings. DR Taper Cores use a single wrap around the core as the narrow winding passes over the bridge.