Nickel Wound Guitar Strings Info Dunlop electric guitar strings are made with great pride in Benicia, California and offer a unique recipe of smooth highs, focused mids and defined lows. Utilizing only the finest materials in combination with our propriety core to wrap ratio, Dunlop Strings offer players a quick break-in period, long life and a balanced string-to-string response that allow you to move across the fingerboard with incredible precision and tone. Whether your style is Blues, Country, Jazz, Metal, Rock or R&B, playing Dunlop will change the way you FEEL about strings. Every set of Dunlop Strings come packaged utilizing three levels of moisture protection and sealed in a VCI Fresh Technology (Vapor Corrosion Inhibitor) bag to guarantee that your strings arrive as fresh as the day they were made.