These new Black Coated Strings were developed by Cavanaugh Co.'s sister company Super-Sensitive Musical String Co. by using the winding technology of orchestral strings. They will allow musicians to play three to four times longer. You will see wear of the strings as well as having an indicator of when to replace them.
1st E - Black Coated Steel - .009
2nd B - Black Coated Steel - .011
3rd G - Black Coated Steel - .016
4th D - Black Coated Nickel Wound - .024
5th A - Black Coated Nickel Wound - .032
6th E - Black Coated Nickel Wound - .042