Electric bass guitar 4-string set from Nickel-Plated Round Wound series. Features: Unites both the warm tone and feel of nickel with the brightness and strength of stainless steel. The construction includes a stainless steel underlay over a steel core covered entirely by a nickel-plated outer wrapping. Versatile construction appeals to every style bass, genre of music and playing style. Packaged using MAP Technology (Modified Atmosphere Packaging) to prevent tarnishing and ensure freshness. Made in the USA with American Wire. String Gauges: .040, .060, .080, .100. Medium Scale.