[Elecraft] K2 T3 windings

[Norm Havercroft]

Last night while doing a final visual inspection of the RF board, I noticed that I somehow managed to scrape a bare spot in the insulation of one of the bifilar windings of T3.  It is not in any danger of shorting, but this rig is going on a boat and that little bit of bare copper is going to be green and fuzzy in no time unless I either replace it or patch up the insulation.  It is where the winding makes the last turn around the toroid on it's way to the PC board.  Is there anything I can use like fingernail polish that will do the job without adversely affecting the part, or is it re-wind time?  Thanks

73,
N7NSD
Norm