Medium light long-scale 4-string set for electric bass guitar from Rotobass series that offers great sound, balance, feel and tone. Round-wound strings are manufactured on ‘state of the art’ computer controlled string winding machines from popular nickel-on-steel combination. Nickel is smoother to play and easier on the frets. All Rotosound strings are manufactured in England. Gauges: .035, .055, .075, .095.