Pitbull Gold Series Long Life Edition electric guitar strings are extremely resistant to tarnishing. In addition to being resistant to tarnishing, it provides you with long-term use without any loss in terms of playing feel, tuning stability and sound quality. Pitbull Gold Series Long Life Edition Electric Guitar Strings are designed by bringing together the most compatible raw materials. Constructed using nickel-plated windings and a high-carbon alloy, American-made hexagonal steel core. Considering all musical needs, playing comfort and sound character are produced to the highest standards. Thanks to the VCI Anti-Corrosion Packaging system, it has a very long shelf life.