Gauges: 45, 65, 85, 105 Bass - Steel - Medium Scale - 4-String Set These flatwound bass strings provide a clear, solid fundamental and superior tonal versatility—rolling off your bass’ tone knob takes you from a modern and articulate punch to the deep, mellow thump flats are famous for. Winding length is 34" from ball to silk. • MFSKU DBFS45105M • UPC 710137107571