One
(1) No type 58 Raytheon vintage vacuum tube, ST shape, made in USA,
tube has metal ribbed plates, clear top, mica snubbers,
smoked glass, engraved base, tube tests: 94 %
We test all tubes we sell! We will combine shipping! Check out my other tubes!
Tested on Triplett tube tester for shorts and leaks as well.
Scale 1-100, good quality percentage on my Triplett starts at 54.