These flat wound strings provide an ultra-smooth feel and a dark, yet warm tone, while allowing movement across the fretboard with no finger noise. Made with a high carbon steel core, Chromes stainless steel flattened ribbon wrap wire is expertly wound onto a series of interlocking under-windings, then precisely polished for unparalleled smoothness and a tonal presence which blends beautifully into the mix. Made for 5-string basses, 45-132 Regular Light Super Long Scale strings provide players with a versatile, super long scale option, in D'Addario's most popular string gauge.