The Rotosound RS666LC Swing Bass 66 is a 6-string set built for bassists who want to cover a wide tonal range with confidence. Spanning gauges from 30 to 125 these medium tension strings are ideal for long scale instruments giving solid tension and tuning stability across all six strings.Made with stainless steel and roundwound for a bright punchy tone they provide the signature Swing Bass 66 character that helped define rock and funk music. From the crisp upper register to the growling low B this set is designed to deliver clarity and energy in every note.With a legacy that includes players like John Entwistle Geddy Lee and Billy Sheehan the Swing Bass 66 range continues to be a go-to for those wanting standout sound and feel from their strings.