D’Addario Electric Guitar Strings XS Coated Nickel Strings electric guitar A1 Twice As Hard 4:09 chinrest A1 Twice As Hard 4:09 A2 Jealous Again 4:35 A3 Sister Luck 5:14 A4 Could I've Been So Blind 3:44 A5 Seeing Things 5:18 B1 Hard To Handle 3:08 B2 Thick N' Thin 2:43 B3 She Talks To Angels 5:30 B4 Struttin' Blues 4:10 B5 Stare It Cold 5:15 Two position contour switch to maximize attack and clarity depending on application – select the flat response setting for natural sound in most applications or the “low mid scoop” setting for a strong low frequency “punch” with plenty of higher frequency attack 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