Gauges 40-60-80-100. Bass players who need a tapered core string for modern techniques will love the superior performance of DR Long Necks stainless steel strings. 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 a hex core as the narrow winding passes over the bridge.Gauges 40-60-80-100 Tapered core string for modern techniques Stainless steel