Gauges: 40-60-80-100.
Nickel wound strings are made by winding nickel-plated steel wire around a tin-plated, high-carbon steel core wire. Nickel wound bass strings have a very balanced tonal response with sparkling highs, clear mid-range and defined bass. Curt Mangan Bass Strings have an overall length of 53 inches with winding to 36 3/4 inches. All Curt Mangan guitar strings are made with USA made wire.