[R-390] IERC tube shields FS

[N4BE_Jim--- via R-390]

I have for sale the following IERC heat dissipating tube shields, as a lot of 13 total. 

Qty 4 IERC TR5-5015B. For "short" 7 pin tubes 6AL5, 6AK5, etc.
Qty 5 IERC TRN6-6015B. For "short" 9 pin tubes  5670, 5842 etc.
Qty 4 IERC TRT6-6020B. For "medium" 9 pin tubes 12AU7, 12AX7, etc.

I purchased these new but never used them.  $30 plus postage for the lot only.

Jim N4BE