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 - .010
2nd B - Black Coated Steel - .013
3rd G - Black Coated Steel - .017
4th D - Black Coated Nickel Wound - .026
5th A - Black Coated Nickel Wound - .036
6th E - Black Coated Nickel Wound - .046