Standard extra-long-scale 4 string set for electric bass guitar from Jazz Bass series that contains many times awarded ‘Monel’ flat-wound strings which are favourable by many of the world’s top leading artists, including Steve Harris, Roger Waters or Herbie Flowers. These flat-wound strings are manufactured the old-fashioned way by hand on machines and their build specifications are kept secret. All that is known is the use of Monel 400 (nickel-copper alloy) tape that brings out the true character of the strings and resistance to corrosion. All Rotosound strings are manufactured in England. Gauges: .045, .065, .085, .105.