Re-designed for improved tone, sustainability and longevity, these stainless steel wound strings have an outer wrapping of black nylon tape. Ideal for fretless electric basses, these strings' warm tone also sound great on all acoustic bass guitars.- Black Nylon Tape wound strings with extra smooth surface- Warm, deep, vintage tone; long sustain- Standard Tension- String Gauges: .060, .070, .094, .115- Made in the USA with American Wire- Packaged using MAP Technology (Modified Atmosphere Packaging) to prevent tarnishing and ensure freshness