The Thomastik JF345 5-String Bass Guitar Strings are constructed from s a highly pliable steel core which is wrapped with a silk inlay. The outer winding is a true ribbon flatwound constructed of a special nickel alloy. The result is an incredible depth of tone and an enhanced fundamental which is unavailable from any other flatwound bass string.
Thomastik 5 Bass Strings JF 345 43-136 Nickel Flat Wound