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 - .014
3rd G - Black Coated Phosphor Bronze - .022
4th D - Black Coated Phosphor Bronze - .030
5th A - Black Coated Phosphor Bronze - .038
6th E - Black Coated Phosphor Bronze - .046