Daddario EXL165SL, String Set for 4-String Electric Bass, Nickel roundwound, Gauge 045 - 065 - 085 - 105, D'Addario XL Nickel Electric Bass strings are world-renowned as ""The Player's Choice"" among bass players of all genres and styles, Very balanced and natural sound, suitable for almost any style of music, Soft top / Regular bottom, Super long scale