James How, Rotosound`s founder, revolutionised the acoustic guitar string with his world acclaimed piano string contact core design. Applied to this acoustic set with 92/8 phosphor bronze windings it offers unrivalled sustain and presence. Over many years since its inception in the 70`s this string has a loyal following that now numbers many thousands. A true favourite among players that would not use anything else. James How, who founded the company in the fifties, engineered a new type of string-winding machine that was a step ahead of the industry and all the strings are produced to the same degree of precision. In addition to the phosphor-bronze round wounds, Rotosound also make guitar strings in the piano string design. That is with the wrap wire stopping short of the ball end so that a section of the core wire is exposed and only the core wire comes into contact with the saddle. These strings are called Country Gold . It is actually an old idea and I have a feeling that the very first steel strings used on the guitar in the 1800s were like that.