Elixir Strings 12-String Electric Guitar Strings w NANOWEB Coating, Light (12450) 12-string electric guitar strings constructed with nickel-plated steel wrap wire Played for their bright, vibrant presence and dynamic punch Ultra-thin NANOWEB Coating provides a traditionally textured, uncoated feel Our patented coating technology protects against common corrosion, extending tone life longer than any other brands coated or uncoated strings (Elixir Strings player survey) Light gauge: .010/.010 .013/.013 .017/.009 .026/.012 .036/.018 .046/.026