Warwick EMP 38200 M 4, String Set for the Electric Bass, Strength: Medium, String gauges: .045, .065, .085, .105, Long scale (34""), Material: Nickel-plated steel, Roundwound, Hexagonal core, Coating: EMP (Enhanced Molecular Protection), Enables a precise intonation and a full, brilliant sound, Corrosion resistant, Coating does not flake away, Made in the USA