DR LMR-45 Hi-Beams Round Core Bass 4-Strings 45-105 - String Set for 4 String Bass Guitar

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Ernie Ball 6-String Long Scale Slinky Nickel Wound Bass Guitar Strings, 32-130 Gauge (P02838)

D'Addario XL Nickel Bass Strings - EXL170 - 45-100 Regular Light for 4-String Bass Guitars, Perfect Intonation and Feel