Citation D'Addario: XS is breathing new life into coated strings. With its ultra-thin film coating on every wound string and unique polymer treatment on the plain steels, XS offers our highest level of protection for maximum life with an uncommonly smooth feel, making it the most innovative coated string ever created.
80/20 Bronze / 80/20 Bronze Coated / Phosphor Bronze / Phosphor Bronze Coated / Phosphor Bronze Loop End
Nickel Wound Ball End / Nickel Wound Coated Ball End / Pure Nickel / Stainless Steel Wound Ball End / Stainless Steel Loop End / Flat Wound / Plain Steel Ball End / Plain Steel Loop End