Warwick EMP 38300 ML 5B, Set of Strings for 5-String Electric Bass, Gauges: Medium Light - Low B, String gauges .040"", .060"", .080"", .100"", .130"", Long Scale (34""), Material: Nickel-Plated Steel, Roundwound, Hexagonal core, EMP coating (Enhanced Molecular Protection), Precise intonation and full, brilliant sound, Corrosion resistant, Coating does not flake off, Made in USA