Dunlop DHCN1254 Heavy Core electric guitar strings are perfect for drop tunings. Heavy Core strings use special core wire and proprietary wrap ratios to let you really dig in with your pick, while keeping a punchy low end, crisp mids, and silky highs, whether clean or overdriven. Dunlop manufactures Heavy Core strings at their Benicia, California plant, and exercises obsessive attention to detail throughout design, manufacturing - and even packing. Did you know that every set of Dunlop strings is packaged with three levels of moisture protection in a bag that"s specifically designed to inhibit moisture? If you"re into drop tunings, give Dunlop DHCN1254 Heavy Core strings an audition.