Elixir Strings Electric Guitar Strings w NANOWEB Coating, Baritone (.012-.068) 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) Baritone gauge: .012 .016 .022 .038 .052 .068 (perfect for players who frequently use drop-tuning)