2 matched 1956,57s GE 6SL7GT vacuum tubes .

This pair tubes test good on a HICKOK TV-7B/U tube tester.  

The tubes read at 44/52 and 34/46 on this tester where 32 is the minimum .  

No shorts no gas, satisfaction guaranteed.

I will gladly combine shipping on multiple tube listings.

Your items will be well packed for safe delivery.

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