SIT Strings CP1253 light CRT Coated Phosphor bronze Acoustic

CRT Coated Acoustic Guitar Strings preserve the tone of your acoustic guitar with the Corrosion Resistant Technology (CRT). SIT CRT strings are wound over a hard-tempered hex core with a Phosphor Bronze cover wrap that has been treated to extend the life of the string. This unique process creates a long-lasting string that maintains a warm, rich sound with an organic feel of a more traditional uncoated strings.