La Bella LTF-4A Low Tension Flexible Flats Bass Strings - 4-string Stainless steel flat wound Round cores for greater flexibility and narrower ribbon for an unrivaled smooth feeling Light Tension "Total Tension in lb.: 134.9 (1st 36.2, 2nd 34, 3rd 3.5, 4th 34.2)" "String gauges: .42, .56, .7, .1"