Warwick EMP 38301 M 5B, Set of Strings for 5-String Electric Bass, Gauge: Medium - Low B, String gauges .045"", .065"", .085"", .105"", .135"", 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