Elixir Electric Nickel Plated Steel with OPTIWEB Coating

7-String electric Guitar strings constructed with nickel-plated steel wrap wire 
Played for the same crisp tone as an uncoated string 
Optiweb Coating provides a natural feel 
Coating technology protects against common corrosion and debris buildup, extending tone life longer than any other brand?s coated or uncoated strings (Elixir strings player survey) 
Anti-rust Plating on plain steel strings ensures longer tone life for the entire set