Ultra light 6 string set for electric guitar from Humbucker series with special alloy winding that was optimized for the humbucking pickups. Strings are made with a special composite core wire and a specially formulated wrap wire – this combination offers a unique magnetic formulation and makes the most of dual-coil pickups. Set is packed in vacuum sealed package for extra freshness. All Gibson strings are bench tested and builder approved to bring the best sound possible. Gauges: .009, .011, .016, .024, .032, .042.